When running merge sort on an array of size n that is already sorted, the time complexity will be O(n log n).
Merge sort is a divide-and-conquer algorithm that splits the array into smaller halves until they become single elements. Then, it merges the smaller sorted arrays back together, creating a larger sorted array.
In the case of an already sorted array, the algorithm still divides the array into halves, but since each half is already sorted, the merging process becomes simpler. The merging step has a time complexity of O(n), as it iterates through each element of the two halves and compares them.
Since the array is divided log n times and each merge operation takes O(n) time, the overall time complexity is O(n log n). For example, let's consider an array of size 8: [1, 2, 3, 4, 5, 6, 7, 8].
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can someone please tell me the name of some of the best driving simulator games?
Answer:
Editor's Pick: Assetto Corsa. Assetto Corsa is a highly regarded racing game with a realistic force feedback feel.
Project Cars 2.
Gran Turismo Sport.
F1 2019.
Dirt Rally.
Explanation:
I am in a class learning c++ language. Is there someone please who would help me with c++ language questions?
There are many resources available to help you with your C++ language questions. If you have any specific questions related to C++, please feel free to ask, and I will provide concise and accurate explanations to help you understand the concepts better.
You can start by reaching out to your instructor or classmates for assistance. Additionally, there are many online forums and communities dedicated to programming and specifically to C++. These resources can provide you with answers to your questions, as well as offer guidance and support as you continue to learn and grow in your understanding of the language.
Some popular online communities for C++ programming include Stack Overflow, Reddit's /r/cpp, and the C++ Discord server. These resources can offer a wealth of information and guidance, and often have experienced programmers who are willing to answer questions and offer advice. Additionally, there are many online tutorials and courses available for free or for a fee, which can provide you with a structured learning environment and additional resources to help you master the language.
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Technological advances have led to worldwide increased ______.
a.
Job security
b.
Economic stability
c.
Communicative ability
d.
Military Security
Answer:
C
Explanation:
Answer:
C.
Communicative ability
1) why do local variables lose their values between calls to the function in which they are defined. 2) what is the difference between an argument and a parameter variable? 3) where do you define parameter variables? 4) if you are writing a function that accepts an argument and you want to make sure the function cannot change the value of the argument, what do you do? 5) how do you return a value from a function?
1.They are stored on the stack, which is a temporary memory location used for storing data during function calls.
2. An argument is a value or expression passed to a function when it is called, while a parameter variable is a variable used in the function declaration.
3. Parameter variables are defined in the function declaration.
4. This ensures that any changes made to the argument within the function do not affect the original variable.
5. To return a value from a function, you can use the "return" keyword followed by the value you want to return.
1. Does the value assigned to a locally defined variable become undefined between calls to the context in which it's declared?The reason local variables lose their values between calls to the function in which they are defined is that they are stored on the stack, which is a temporary memory location used for storing data during function calls. When a function completes, the memory allocated for its stack frame is deallocated, which causes the local variables to be lost.
Yes, the value assigned to a locally defined variable becomes undefined between calls to the context in which it's declared. When a function is called, memory is allocated for its local variables on the stack. When the function returns, the memory allocated for these variables is deallocated, and any values stored in those variables are lost. When the function is called again, new memory is allocated for the local variables, and the values of the variables are uninitialized.
So, each time a function is called, the local variables defined within that function are reinitialized with new memory locations, and any previously stored values are lost. This is why the value assigned to a locally defined variable becomes undefined between calls to the context in which it's declared.
2. How we make the difference between an argument and a parameter variable?An argument is a value that is passed to a function when it is called, while a parameter variable is a variable that is declared in the function definition and used to receive the value of the argument that is passed to the function.
In other words, an argument is the actual value that is passed to a function, while a parameter variable is the variable that receives that value within the function.
For example, in the function call function_name(argument1, argument2), argument1 and argument2 are the values that are passed as arguments to the function_name function. In the function definition return_type function_name(data_type parameter1, data_type parameter2), parameter1 and parameter2 are the parameter variables that receive the values of argument1 and argument2 respectively.
3. How do you define parameter variables?Parameter variables are defined in the function header as part of the function definition. The syntax for defining parameter variables is as follows:
return_type function_name(data_type parameter1, data_type parameter2, ..., data_type parameterN)
{
// function body
}
Here, return_type is the data type of the value that the function returns, function_name is the name of the function, and parameter1 through parameterN are the names and data types of the parameter variables that the function accepts.
In the function body, the parameter variables can be used just like any other local variable in the function.
4. To ensure that a function cannot change the value of an argument, pass the argument by value rather than by reference?If you want to make sure a function cannot change the value of an argument, you can pass the argument by value instead of by reference. This means that a copy of the argument's value is passed to the function, rather than a reference to the original variable. This ensures that any changes made to the argument within the function do not affect the original variable.
5. What is the return type of a function?To return a value from a function, you can use the "return" keyword followed by the value you want to return. For example, if you want to return the sum of two numbers, you could write a function like this:
int sum(int a, int b) {
int result = a + b;
return result;
}
In this example, the "sum" function takes two integer arguments, adds them together, stores the result in a local variable called "result," and then returns the value of "result" using the "return" keyword.
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You are working in a medical practice that sends out billing electronically but the software does not include a claim scrubber program. what can you, as an administrative medical assistant do?
When working in a medical practice that does not include a claim scrubber program the result of now no longer having a declare scrubbed previous to submission is that the exercise has a tendency to lose sales.
What is a scrubber software?A declare scrubber software is referred to as software that facilitates in reviewing claims for coding and billing accuracy of patients. This software is normally protected as a software program whilst billing electronically in hospitals or for coverage purposes.
The results or dangers of now no longer having a declare scrubbed previous to submission is that the exercise has a tendency to lose sales.
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Which of the following devices is NOT required to successfully implement teleconferencing?
Sensor
Modem
Speaker
Microphone
Answer: a. Sensor
Explanation: Modem= internet
Speaker= able to hear
microphone = to speak
Python String Functions: Create a new Python Program called StringPractice. Prompt the user to input their name, then complete the following:
Length
• Print: “The length of your name is: [insert length here]”
Equals
• Test to see if the user typed in your name. If so, print an appropriate message
Really appreciate the help.
#Swap this value by your name. Mine is Hamza :)
my_name = "Hamza"
#Get input from user.
inp = input("What's your name?: ")
#Print the length of his/her name.
print("The length of your name is",len(inp),"characters.")
#Check if the input matches with my name?
#Using lower() method due to the case insensitive. Much important!!
if(inp.lower()==my_name.lower()):
print("My name is",my_name,"too! Nice to meet you then.")
What does “int” means in php code
Answer:
integer
Explanation:
Match the step to the order in which it should be completed to access the backup utility of Windows 7.
first
second
third
:: Open the Control Panel.
:: Click Set up Backup. :: Choose System and Security, Backup and Restore
The step to order in which it should be completed to access the backup utility of Windows 7 is
1. Open the Control Panel.
2. Choose System and Security.
3. Click on Backup and Restore.
4. Click Set up Backup.
Open the Control Panel: you can click on the "Start" button in the bottom left corner of the screen, then select "Control Panel" from the menu. for opening the Control Panel on Windows 7, select "Control Panel" from the menu.
Choose System and Security: For navigation the System and Security section, which contained settings related to system management, security, and backups.
Click on Backup and Restore: now look for the "Backup and Restore" option and click it. That opens the backup utility in Windows 7.
Click Set up Backup: click on the "Set up Backup" option to start the backup configuration process, This will guide you through the steps to configure your backup preferences and select the backup destination.
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The Nexus Repository Manager application runs on the OSGi container. T/F
The Nexus Repository Manager application does not run on the OSGi (Open Service Gateway Initiative) container. The statement is False.
Nexus Repository Manager is a popular repository manager that allows organizations to manage and distribute software artifacts. It is primarily built using Java and is deployed as a standalone application. While the application itself is not directly built on the OSGi container, it does rely on several third-party libraries and frameworks, including Apache Karaf, which is an OSGi-based runtime container.
Apache Karaf provides the underlying infrastructure for managing and deploying modular applications in an OSGi environment. It allows Nexus Repository Manager to leverage the benefits of modularity, dynamic component management, and service-oriented architecture provided by OSGi. However, it is important to note that the Nexus Repository Manager application itself is not directly running on the OSGi container but utilizes the OSGi framework for certain functionalities.
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Fill in the word to complete the sentence.
A ___________ is a line ignored by Python during execution.
Answer:
Service Layer
Explanation:
________ refers to software designed to alter system files and utilities on a victim's system with the intention of changing the way a system behaves.
The software that is designed to alter system files and utilities on a victim's system with the intention of changing the way a system behaves is called a rootkit.
A rootkit is a type of malicious software or malware that is used to take unauthorized access to a computer system or network. It is a set of software tools used by attackers to conceal their activity on a victim's computer. This software has a unique ability to hide its presence and activity on a system, making it difficult to detect or remove.
It allows attackers to remotely access and control a system without the user's knowledge or consent. Rootkits can be used to gain administrator-level access to a system, steal sensitive information, modify system files and configurations, and run malicious software in the background.
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which type of storage device is better in technology between magnetic and optical?
Answer:
magnetic
Explanation:
because it can be stored for long time.
The type of storage device that is better in technology than magnetic and optical is Optical storage.
What is a magnetic and optical storage device?Magnetic storage devices employ "read/write heads," which are electromagnets that detect (read) or modify the magnetization patterns on the disk.
Lasers are used in optical storage systems to read the reflections in the disk or to "burn" the data pattern into the disks.
The type of storage device that is better in technology than magnetic and optical is Optical storage. This is because Optical storage has a higher memory capacity than magnetic storage because laser beams can be controlled and focussed considerably more accurately than tiny magnetic heads, allowing data to be compressed into a much smaller space.
Hence, The type of storage device that is better in technology than magnetic and optical is Optical storage.
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If
student is looking for the degree symbol (*) and it is not found on the main drop-down of symbols, what should
the student do next?
Answer:
The student should click more symbols
Explanation:
Assume that in cell K2 that I have the following IF function: "IF(V4<100,"Green", "White")
Assume that the value in cell V4 is 100 . The output of the function will be:
White
True/False
The output of the function `IF(V4<100, "Green", "White")` if the value in cell V4 is 100 is `White`. This statement is `True`.
The IF function in Excel allows you to perform conditional logic and make decisions based on certain criteria. In this case, the IF function is applied in cell K2 with the formula "IF(V4<100,"Green", "White")". Let's break down the evaluation step by step.
The condition being checked is "V4<100". It compares the value in cell V4 (which is 100) with the number 100. In this case, the condition evaluates to false because 100 is not less than 100.
Since the condition is false, the IF function moves to the next part, which specifies the value to return if the condition is false. In this case, it is "White". Therefore, because the condition evaluated to false, the IF function returns "White" as the output.
The IF function allows for conditional branching in Excel, where you can specify different outcomes based on whether a condition is true or false. In this scenario, when the value in cell V4 is 100, the condition evaluates to false, and thus the "White" value is returned.
It's important to note that the result of the IF function can be customized by changing the condition and the values returned for true and false outcomes. This flexibility allows you to perform various logical operations and dynamically generate outputs based on specific conditions.
In summary, the output of the IF function in this case, with the value in cell V4 being 100, is "White".
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Discuss and elaborate the impact of technology advancement in
seaport wayfinding to community
Answer:
international technology
Technologies are becoming increasingly complicated and increasingly interconnected. Cars, airplanes, medical devices, financial transactions, and electricity systems all rely on more computer software than they ever have before, making them seem both harder to understand and, in some cases, harder to control. Government and corporate surveillance of individuals and information processing relies largely on digital technologies and artificial intelligence, and therefore involves less human-to-human contact than ever before and more opportunities for biases to be embedded and codified in our technological systems in ways we may not even be able to identify or recognize. Bioengineering advances are opening up new terrain for challenging philosophical, political, and economic questions regarding human-natural relations. Additionally, the management of these large and small devices and systems is increasingly done through the cloud, so that control over them is both very remote and removed from direct human or social control. The study of how to make technologies like artificial intelligence or the Internet of Things “explainable” has become its own area of research because it is so difficult to understand how they work or what is at fault when something goes wrong
Explanation:
the attributes of an object/class are often coded as group of answer choices static variables methods static methods instance variables
The attributes of an object/class are often coded as instance variables.
Understanding instance variable
Instance variable is a type of variable that is declared in a class, diluar method, constructor or other method.
Characteristics of instance variable
In addition, this variable type has its own characteristic that distinguishes it from other variable types, as follows:
• If a space object is available in the heap, this slot instance variable will be created.
• Instance variable will be created as object also created using keyword new.
• Instance variables are executed when objects are also executed.
• Instance variables must be given access modifiers.
• Instance variables cannot be declared with the keyword static.
• Instance variables must be used by methods, either constructors or other methods.
• Instance variables must have a default value.
• For type data number, in the declaration instance variable is initialized with the value 0.
• For the Boolean data type, in the declaration instance variable is initialized with the value false.
• For the type of data reference or object, in the declaration instance variable is initialized with the value null.
• Values in instance variables are initialized through the declaration process or through the constructor.
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When approved for a loan, an individual essentially applied for aid in the area of...
A. Increasing (and financing) immediate increase in cash flow
B. limited liability
C. future educational services
D. protections and insurance
Answer:
The correct answer is A. When approved for a loan, an individual essentially applied for aid in the area of increasing (and financing), as it implies an immediate increase in cash flow.
Explanation:
Every loan involves the delivery of money by a bank or a financial agency to a person or company, with the consideration that the latter will later return said amount, plus an additional amount for interest, within a specified period and may pay in a single payment and in full or through an installment plan. But, in any case, the immediate result of said loan is an increase in the cash flow of the person who obtains said loan, which can be used for the acquisition of goods or services, or to face different eventual expenses.
Fault tolerance refers to
how a network fails.
how well a network recovers after a failure.
mirror operations.
servers.
Answer:
servers
Explanation:
because it good for servers
Answer: How well a network recovers after a failure.
Explanation:
Protecting privacy online is a principle of netiquette. Which of the following can expose private
information online? (select all that apply)
accessing someone's account without their permission
quoting an e-mail with private information in it
sending private information to someone over e-mail
DONE
All of the above, A, B, AND C
Answer: It's all 3
Explanation: it's correct
using the above, give code that plots the decision regions for the first 5 epochs. use learning rate = 0.01 and random seed = 1 when applicable.
The code below plots the decision regions for the first 5 epochs of a machine learning model. The learning rate is set to 0.01, and a random seed of 1 is used for reproducibility.
```python
import numpy as np
import matplotlib.pyplot as plt
from sklearn.datasets import make_classification
from sklearn.linear_model import LogisticRegression
# Set random seed
np.random.seed(1)
# Generate synthetic data
X, y = make_classification(n_samples=100, n_features=2, n_informative=2, n_redundant=0, n_clusters_per_class=1)
# Fit logistic regression model
model = LogisticRegression(learning_rate=0.01)
model.fit(X, y)
# Plot decision regions for the first 5 epochs
epochs = 5
plt.figure(figsize=(10, 8))
for epoch in range(epochs):
model.partial_fit(X, y)
plt.subplot(2, 3, epoch + 1)
# Create a meshgrid of points
h = 0.02
x_min, x_max = X[:, 0].min() - 0.5, X[:, 0].max() + 0.5
y_min, y_max = X[:, 1].min() - 0.5, X[:, 1].max() + 0.5
xx, yy = np.meshgrid(np.arange(x_min, x_max, h), np.arange(y_min, y_max, h))
# Predict and plot the decision boundary
Z = model.predict(np.c_[xx.ravel(), yy.ravel()])
Z = Z.reshape(xx.shape)
plt.contourf(xx, yy, Z, alpha=0.8)
# Plot the data points
plt.scatter(X[:, 0], X[:, 1], c=y, edgecolors='k')
plt.title(f'Epoch {epoch+1}')
plt.tight_layout()
plt.show()
```
This code snippet demonstrates how to plot the decision regions for the first 5 epochs of a logistic regression model. The synthetic data is generated using the `make_classification` function from the `sklearn.datasets` module. The model is trained using the logistic regression algorithm with a learning rate of 0.01. For each epoch, the model is updated using `partial_fit` and the decision boundary is plotted using the `contourf` function. The data points are also plotted to visualize the classification. The resulting plot shows the decision regions at each epoch, allowing us to observe how the model's decision boundary evolves over time.
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How are the waterfall and agile methods of software development similar?
The waterfall and agile methods of software development are similar in that they both aim to develop software in an organized and efficient manner. However, they differ in the approach they take to achieve this goal.
The waterfall method is a linear, sequential method of software development. It follows a defined process with distinct phases, such as requirements gathering, design, implementation, testing, and maintenance. Each phase must be completed before the next phase can begin, and changes to the software are not allowed once a phase is completed.
On the other hand, Agile method is an iterative and incremental approach to software development. It emphasizes on flexibility, collaboration, and customer satisfaction. Agile method encourages regular inspection and adaptation, allowing for changes and improvements to be made throughout the development process. Agile methodologies, such as Scrum and Kanban, follow an incremental approach, where the software is developed in small chunks called iterations or sprints.
Both Waterfall and Agile approach have their own advantages and disadvantages and are suitable for different types of projects and teams. It is important to choose a method that aligns with the specific needs and goals of the project and the team.
Explain the difference between cooperative (or non-preemptive) multitasking in thread execution and non-cooperative (or preemptive) multitasking.
The difference between cooperative (non-preemptive) multitasking and non-cooperative (preemptive) multitasking in thread execution lies in how the control over the execution of threads is managed.
In cooperative (non-preemptive) multitasking, a thread voluntarily yields control to other threads, allowing them to execute. Threads in this model decide when to give up control, typically when they reach a point where they must wait for a resource or complete a task. This requires careful programming to avoid issues like deadlocks or starvation.
In non-cooperative (preemptive) multitasking, the operating system or a scheduler takes control of the execution of threads. It can interrupt a running thread at any time and switch to another thread, regardless of whether the current thread has finished its task or not. This model ensures fairness in resource allocation and prevents any single thread from dominating the system resources.
Overall, cooperative multitasking relies on threads to manage their execution, while non-cooperative multitasking involves external control by the operating system or a scheduler.
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5. Which of the following illustrates how you would enter a symbol, such as a division sign or degree symbol?
A. Insert > Special Characters
B. Edit > Restore
C. Format > Character
D. Insert > Manual Break
This leads to a very large table of all sorts of special characters. These are symbols that aren't found on your keyboard. If you want to get these items quickly without going through the menu, you can copy/paste the symbols you'll use and then just have them close by somehow. Think of it like a reference sheet. Or you could use the character code associated with each item (using the alt key along with it).
Often, a single source does not contain the data needed to draw a conclusion. It may be necessary to combine data from a variety of sources to formulate a conclusion. How could you do this in this situation of measuring pollution on a particular river?
To measure the pollution of a particular river, one must take the sample of the river and take the sample of pure water, then draw the conclusion, it will tell the amount of pollution in the river water.
What is pollution?Pollution is the mixing of unwanted or harmful things in any substance or compound.
Water pollution is the mixing of toxics and chemicals in water.
Thus, to measure the pollution of a particular river, one must take the sample of the river and take the sample of pure water, then draw the conclusion, it will tell the amount of pollution in the river water.
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ou want to generate ssh keys for your user account and copy them to a remote computer to simplify future ssh authentication. what two commands can you use to perform these actions? (choose two answers.)
The two commands can you use to perform these actions are ssh-copy-id, ssh-keygen.
What is command?
A command in computing is a request to a computer programme to complete a specified task. It can be issued using a command-line interface, such as a shell, as input to a network service as part of a network protocol, or as an event in a graphical user interface triggered by the user picking an item from a menu. The term command is used specifically in imperative computer languages. The name comes from the fact that sentences in these languages are typically written in an imperative mood, which is common in many natural languages. If one considers a statement in an imperative language to be similar to a sentence in a natural language, a command is similar to a verb in such a language.
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What are the list of 5G networks?
AT&T. AT&T's consumer network now covers 395 markets across the country, including smaller cities like Erie, Pa.; Kalamazoo, Mich.; and Worth, Ga. ...
Sprint and T-Mobile. Now that they've officially merged, these two carriers are in the process of combining their 5G networks. ...
Verizon.
Aug 4, 2020
The seatpos data is available in the faraway package in R. Download the data and answer the questions that follow. Present or attach the R codes and outputs used to answer the questlons. 1.1 Briefly describe the data clearly outlining the purpose of the study. (3) 1.2 Produce a numerical summary of the data. (3) 1.3 Suppose you want to explore the relationship between the hipcenter and the age of the respondent: i) Make a scatterplot of age and the hipcenter of the respondent. Comment on the relationship between the two variables. ii) Fit a simple linear regression model to the relationship. Give the fitted model and interpret the coefficients. iv) Conduct test of hypotheses on the regression coefficients and comment on their significance. v) Using the residual plots, investigate if the assumptions of the model were met or violated. (6)
The seatpos data from the faraway package in R is a dataset that aims to study the relationship between the hipcenter and the age of respondents. The dataset contains information on the age and hipcenter measurements of individuals. Let's explore the data and analyze the relationship between these variables.
1.1. Brief description of the data:
The purpose of the study is to understand how the hipcenter measurement varies with age.The dataset includes measurements from a sample of respondents, with each respondent's age and hipcenter recorded.1.2. Numerical summary of the data:
Load the faraway package and access the seatpos data.Use summary() function to obtain a numerical summary of the dataset.The summary will provide information such as minimum, 1st quartile, median, mean, 3rd quartile, and maximum values for both age and hipcenter variables.1.3. Relationship between hipcenter and age:
i) Scatterplot:
Create a scatterplot using the plot() function, with age on the x-axis and hipcenter on the y-axis.Observe the pattern in the plot and comment on the relationship between the two variables.ii) Simple linear regression model:
Fit a simple linear regression model using lm() function, with hipcenter as the dependent variable and age as the independent variable.Obtain the fitted model, which will provide the equation for the relationship between hipcenter and age.Interpret the coefficients of the model, including the intercept and slope.iii) Test of hypotheses on regression coefficients:
Conduct hypothesis tests on the regression coefficients using the summary() function.Check the p-values associated with the coefficients to determine their significance.Comment on the significance of the coefficients and their implications for the relationship between hipcenter and age.iv) Residual plots:
Check for any patterns or trends in the residuals.Create a histogram of the residuals to assess their distribution.Use a Q-Q plot to examine the normality assumption of the residuals.Comment on whether the assumptions of the linear regression model are met or violated based on the residual plots.The seatpos data provides information on the hipcenter and age of respondents. By analyzing the relationship between these variables using a scatterplot and fitting a simple linear regression model, we can determine the nature and significance of the relationship. Additionally, assessing the assumptions of the linear regression model through residual plots allows us to evaluate the model's appropriateness for making inferences about the relationship.
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Which of the following is not necessary to know in computing the future value of an annuity?
a. Amount of the periodic payments
b. Interest rate
c. Number of compounding periods
d. Year the payments begin
The answer is d. Year the payments begin. This is because the future value of an annuity only depends on the amount of the periodic payments, the interest rate, and the number of compounding periods, regardless of when the payments begin.
The future value of an annuity is the value of a series of periodic payments at a future date, assuming a certain interest rate and compounding period. The starting point of the payments does not affect the future value because the calculation of the future value is based on the amount and timing of the payments, not the start date. Therefore, if all other factors are constant, the future value of an annuity will remain the same regardless of when the payments begin. However, the present value of an annuity, which is the value of the periodic payments at the present time, may differ depending on when the payments begin.
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PLS HELP ASAP) Omar is using the web to do research on diabetes. he needs to ensure that all of the information he finds regarding medications, treatments, and diets are accurate. the first websites he finds has a lot of information about a diet plan to help diabetic live healthy lifestyle. Omar can't figure out who the author of the site is and he notices that matches the one described on the website. Which of these are red flags that he should continue doing more research elsewhere? choose the right answer
a. the content is biased towards a particular diet plan that the site is advertising
b. Omar cant find the author so there is no proof that the writer can be trusted to provide medical advice.
c. both A and B
d. none of the above. the website can be trusted.
Nikolas is doing research on U.S visas for a school project. he has found conflicting information on two sites. the first site is travel.state.gov and the other is traveldocs.com which site should Nikolas trust more? choose the answer
a. Travel.state.gov
b. Traveldocs.com
Answer: 1. C. both A and B.
2. Travel.state.gov
Explanation: i took the test!