Answer:
the answer is 5km/s
Explanation:
Speed= Distance/time
= 200km/40
= 5km/s
a north American grassland is usually more productive when it contains diverse plant communities. how does the biodiversity of north American grassland affects is sustainability
Answer:
The biodiversity allows some plant communities to survive when the ecosystem experiences slightly different weather patterns
Explanation:
I hope this helps :)
When the body is attacked by a foreign substance, the _____ defenses are the first to react.
Answer:
Correct answer is "non specific defenses"
Answer:
non specific
Explanation:
When the body is attacked by a foreign substance, the non specific defenses are the first to react.
what would most likely happen to a person who is not getting enough essential amino acids in his or her diet?
A. The body would synthesize the amino acids.
B. Muscle growth and repair would be limited.
C. Stored protein would break down
D. The formation of proteins would increase.
Answer:
Muscle tissue would separate to supply amino acids.
a
Explanation:
What are two arguments you would use to support the claim that medical doctors and veterinarians do not need to collaborate in the way that Natterson-Horowitz is suggesting?
The two arguments which one could use to support the claim that medical doctors and veterinarians do not need to collaborate in the way that Natterson-Horowitz is suggesting include the following:
Veterinarians study multiple fields of the health and disease of organisms such as mammals, amphibians etc while Doctors are only specialized in the human body.There is a huge variation in their operations and their knowledge of the organisms involved.Who is a Doctor?This is referred to as a healthcare professional who specializes in taking care of the sick and ensuring that health is restored through the diagnosis and treatment of patients.
They are also referred to as physician and only take care of humans while veterinarians take care of other organisms. There is a huge variation in the knowledge and operations which is why the claim by Natterson-Horowitz will be supported.
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What was the climate like prior to the extinction ?
Answer:
The extinction you are referring to is unclear, as there have been several mass extinctions throughout Earth's history. However, it is generally accepted that climate has played a significant role in many of these events. Prior to some of the mass extinctions, such as the Permian-Triassic extinction and the Cretaceous-Paleogene extinction, the climate was warm and tropical with high levels of carbon dioxide in the atmosphere. This warm climate was likely a contributing factor to the extinction, as it may have led to changes in sea level, ocean circulation, and weather patterns that disrupted ecosystems and caused widespread extinction of species. However, it is important to note that climate is just one of many factors that can contribute to mass extinction events, and there are often multiple causes involved.
What does f(10) represent? The number of dollars it costs for 10 people to rent the house The number of houses that can be rented for 10 days The number of days the house can be rented for a cost of $250 The number of dollars it costs to rent the house for 10 days
The total cost f(x), in dollars, for renting a vacation house for x days is shown:
f(x) = 10 + 250x
The function f(x) = 10 + 250x represents the total cost, in dollars, for renting a vacation house for x days. In this case, f(10) represents the cost of renting the house for 10 days, which can be calculated as 10 + 250(10) = 2510 dollars. Option 4 is correct.
To find out what f(10) represents, we simply substitute 10 for x in the given function:
f(10) = 10 + 250(10)
f(10) = 10 + 2500
f(10) = 2510
This function can be used to calculate the total cost of renting the house for any number of days, making it a useful tool for budgeting and planning purposes. Hence option 4 is correct.
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--The complete Question is, What does f(10) represent?
The number of dollars it costs for 10 people to rent the house The number of houses that can be rented for 10 days The number of days the house can be rented for a cost of $250 The number of dollars it costs to rent the house for 10 daysThe total cost f(x), in dollars, for renting a vacation house for x days is shown: f(x) = 10 + 250x --
21. Some fish, some dogs and some children are swimming in a bay. There are 40 legs in total, twice as
many heads as tails and more dogs than fish.
How many fish are in the bay?
PLEASE HELP!!!! Cellular respiration involves many different subcellular structures that carry out specialized processes that work together to oxidize glucose, forming carbon dioxide and water and releasing energy.
a. Explain how the chemical breakdown of glucose results in the production of a hydrogen ion concentration gradient across the mitochondrial membrane, as shown in the diagram below. (3 points)
Click here for long descriptionb. Explain how the difference in hydrogen ion concentrations on either side of the mitochondrial membrane facilitates the production of ATP. (3 points)
A. Several processes are involved in the chemical breakdown of glucose during cellular respiration, including glycolysis, the Krebs cycle (also known as the citric acid cycle), and oxidative phosphorylation. These processes result in the progressive oxidation of glucose, which generates molecules with high energy content such as NADH and FADH2. High-energy electrons are carried by these molecules.
B. An electrochemical gradient is established by the difference in hydrogen ion concentration brought about by the electron transport chain. Potential energy is represented by a higher concentration of hydrogen ions in the intermembrane space than in the mitochondrial matrix. A protein complex called ATP synthase allows hydrogen ions to return through the inner mitochondrial membrane and generate energy. The name of this process is chemiosmosis.
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McKibben lists two effects of climate change that humans are already experiencing. These effects include (check all that apply):
not going into swimming pools in public parks because they are filled with bugs
"not swimming in the ocean because jellyfish, who thrive in warm water because other marine life is killed, will bite"
not walking in meadows because ticks that carry Lyme disease could bite
using inordinate amounts of sunscreen because the burning sun has led to an increase in skin cancer
(16) When a medicine for a disease is developed, it is first tested on animals, such as mice. This is done for many years to see whether it is safe and does the job it is supposed to do. If it passes this test, what might the medicine be tested on next?
F. simpler animals, such as insects
G. more mice
H. people
I. a plant
When a medicine for a disease is developed, it is first tested on animals, such as mice. If it passes this test, the testing on people the medicine will be tested on next.
The use of animals in scientific research and experimentation to determine the safety and efficacy of various products, such as drugs, cosmetics, and household items, is known as animal testing.
Following successful animal testing, the medicine is subjected to clinical trials on human subjects to assess its safety and efficacy in treating the targeted disease.
This entails testing the medicine on a small group of healthy people, followed by a larger group of people with the targeted disease.
Thus, before the medicine can be approved for public use, the results are analysed and evaluated by regulatory authorities.
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Which of the following is true about the sugar molecules in plants
1. The sugar molecules are made by plants
2. The sugar molecules come from the soil
3. The sugar molecules are one of many sources of food for plants
4. The sugar molecules are made from molecules of water and minerals
The sugar molecules are made by plants during photosynthesis.
How sugar molecules in plant are made?Plants are autotrophic in nutrition. During photosynthesis, using water sunlight is converted into energy and sugar molecule like glucose within the plant cells.
Plants store excess glucose in form of starch (polyglucan).
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Flower Dissection Chart
Name of flower structure
Picture of dissected flower structure
Function of the structure
(review the lesson)
Sepal
Petals
Stamen
Pistil
Name of flower structure: Sepal, Function of sepal: protection of the flower. Name of flower structure: Petal, Function: attracting the pollinators. Name of flower structure: Stamen, Function: Male reproductive structure. Name of flower structure: Pistil, Function: Female reproductive structure.
Sepals are the outermost whorl of modified leaves that protect the flower during the bud stage. They also help to support the petals after the flower has bloomed.
Petals are brightly-colored, often fragrant structures that are responsible for attracting pollinators to the flower. They are also responsible for protecting the reproductive structures of the flower.
Stamen is the male reproductive structure of the flower. It consists of two parts: the anther, which produces as well as releases pollen; and the filament, which supports the anther.
Pistil is the female reproductive structure of the flower. It is composed of three parts: the stigma, which receives the pollen; the style, which supports the stigma; and the ovary, which contains the ovules that eventually develop into seeds after fertilization.
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particles is found in the nucleus of an atom
Answer:
protons and neutrons
Explanation:
Protons and neutrons have a positive and neutral charge, respectively. They are in the nucleus, while the negative electrons orbit the nucleus.
Answer:
Protons, neutrons, electrons
Explanation:
If you're asking about subatomic particles.
2. The volume of water in the pot decreases during this investigation. Water droplets form on
the mirror when positioned over the pot. In this setup, water
Heating Water
MURU
Water
w
Glow
Electile How
2. Vaporizes and then freezes
b. Vaporizes and then condenses
c. Condenses and then vaporizes
d. Freezes and then vaporizes
We can confirm that throughout this experiment, the water vaporized, then condensed into a liquid once again.
Why did the water vaporize and then condense?As the water was heated by the electric heater, its internal temperature increased. Once this temperature reached the boiling point of water, the water vaporized or evaporated into a gas. This gas then reached the mirror, where it collected and cooled down, condensing back into a liquid in the form of water droplets.
Therefore, we can confirm that throughout this experiment, the water vaporized, then condensed into a liquid once again.
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A body cell is in the longest stage of its life cycle. The cell grows, synthesizing proteins (not chromosomes) and increasing in size. Eventually, the cell will grow too large to carry out normal activities and begin mitosis. Which phase is the cell in? (4 points)
Group of answer choices
G1
Cytokinesis
G2
S
Lab Intro - The Metric System
Exercise A - Measurement or distance
Someone help please
The metric system is a system of measurement that is utilized throughout the world. The fundamental units of the metric system are meter, gram, and liter. In this system, prefixes are used to represent measurements that are bigger or smaller than the fundamental units.
The prefix “kilo-,” for example, indicates a measurement that is a thousand times bigger than the fundamental unit. Lab Intro - The Metric System Exercise A - Measurement or Distance The metric system is used to measure length or distance.
The standard unit of length in the metric system is the meter, which is represented by the symbol “m.” The metric system is used to measure distances or lengths that vary from millimeters (mm) to kilometers (km).In order to determine measurements in the metric system, the fundamental units are combined with prefixes.
For example, one centimeter (cm) is equal to 1/100th of a meter, while one millimeter (mm) is equal to 1/1000th of a meter. One kilometer (km), on the other hand, is equal to a thousand meters (m).
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What are the required materials to start the Calvin Cycle (assume one molecule of glucose)?
a.6 CO2, 12 ATP, 18 NADPH
b. 6 CO2, 6 H2O, 18 ATP
c.6 CO2, 18 ATP, 12 NADPH
d. 6 CO2, 6 H2O, 12 ATP
Answer:
C-6 CO2,18 ATP, 12 NADPH
stimulus is either internal or external object? T or F
Peter is 20 months old, weighs 28 lb, and he wants to eat the same food his older brothers do. No baby food for him; he is a big boy now! His mother is worried that this might not be an appropriate diet for a toddler and asked you, the nutrition student, to check it out. Be prepared for a challenge! It’s not easy to think about all the elements that make a healthful diet at the same time. You have to think about kilocalories, Acceptable Macronutrient Distribution Ranges (AMDR, which by the way are different for toddlers than for adults and adolescents), and watch iron (the most common dietary deficit in toddlers) and fiber intake. And that’s just the beginning. Adequate intake of fluids and electrolytes is also critical for a toddler’s health. Is your head spinning already? Let’s simplify the job by approaching each of the recommended Daily Values separately.
A balanced diet helps to prevent malnutrition in all of its manifestations as well as a number of noncommunicable diseases (NCDs) and illnesses throughout the life course.
What is Diet?However, there has been a change in dietary patterns as a result of increased production of processed foods, growing urbanization, and changing lifestyles.
Nowadays, individuals eat more meals that are heavy in calories, fats, free sugars, and sodium/sodium, and many people eat insufficient amounts of fruit, vegetables, and other dietary fiber-rich foods like whole grains.
Depending on individual characteristics (such as age, gender, lifestyle, and level of physical activity), cultural context, regionally accessible foods, and dietary habits, a diversified, balanced, and healthy diet will take on different compositions.
Therefore, A balanced diet helps to prevent malnutrition in all of its manifestations as well as a number of noncommunicable diseases (NCDs) and illnesses throughout the life course.
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Read the bar graph. What data does it provide about the guinea pig pups?
PLSS HURRY
Answer:
Can you provide the bar graph please?
Explanation:
Tactile corpuscles of the dermis detect light touch. Which of the following properly classifies these receptors?
A) Interoceptors
B) Exteroceptors
C) Proprioceptors
D) Nociceptors
E) Thermoreceptors
When tactile corpuscles of the dermis detect light touch the receptors classified as exteroceptors.
Any sensor that can pick up outside impulses. The skin's thermoreceptors, which measure the ambient temperature, are an example of exteroceptors. Interoceptor is comparable.
Exteroceptors are located at or close to the epidermis and are responsive to stimuli coming from the outside or the body's surface. These receptors include those for vision, hearing, smell, and taste as well as those for touch, pain, and temperature.
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Data supports your claim.
True
False
Answer:
true
Explanation:
because the data needs sometimes to support you
Farming techniques such as slash and burn, could result in ___ if the land is not left to fallow long enough.
Word choices are:
Deforestation
Creep
Mudflows
Top soil
Salinization
Soil depletion
Farming techniques such as slash and burn could result in soil depletion if the land is not left to fallow long enough. Slash and burn agriculture involves cutting down and burning vegetation to clear land for farming. If the land is not left to fallow for a sufficient amount of time, the soil can become depleted of nutrients, making it less fertile and less productive for farming.
MARK ME BRAINLEISTPlease list 3 separate facts about the 2 different types of changes in matter:
Main Steps of the Scientific Method: 1. ________________________________________ 2. ________________________________________ 3. ________________________________________ 4. ________________________________________ 5. ________________________________________ 6. ________________________________________
The scientific method is a systematic approach used by scientists to investigate and understand the natural world these steps are iterative, meaning that scientists often repeat the process, refining their hypotheses and experiments to gain a deeper understanding of the phenomenon under investigation.
It involves a series of steps that help ensure objectivity, reproducibility, and reliability in scientific research.
The main steps of the scientific method are as follows:
Observation: The first step involves making careful observations of a phenomenon or a problem in the natural world.
Scientists use their senses or instruments to gather data and identify patterns or interesting phenomena.
Question: Based on the observations, scientists formulate a research question that addresses the underlying cause or mechanism of the observed phenomenon.
The question should be specific and testable to guide the subsequent steps.
Hypothesis: In this step, scientists propose a possible explanation or solution to the research question.
The hypothesis is a tentative statement that can be tested through further experimentation or observation.
It should be based on existing knowledge and provide a clear prediction.
Experimentation: Scientists design and conduct experiments to test the hypothesis.
They manipulate variables, control conditions, and collect data to analyze and draw conclusions.
The experiment should be carefully planned, with appropriate controls and statistical methods to ensure accurate and reliable results.
Analysis: After collecting the data, scientists analyze the results using statistical methods or other analytical techniques.
They examine the data to determine if it supports or refutes the hypothesis.
This step involves organizing and interpreting the data to draw meaningful conclusions.
Conclusion: Based on the analysis, scientists draw conclusions about the hypothesis.
If the data supports the hypothesis, it may be accepted as a plausible explanation.
If the data does not support the hypothesis, scientists may revise the hypothesis or propose alternative explanations.
Through this iterative process, scientific knowledge advances and contributes to our understanding of the natural world.
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How do the following words relate?
Answer:
well there are 3 pink 3 mint green and 3 blue?
As a result of an action potential, AcH is released from the axon terminal and attaches to receptors on the motor end plate. Sodium rushes in the T-tubules and all the steps occur until the muscle contracts in the leg and carry out the command transported by the motor neuron. Which gray horn is the cell body of the motor neuron located? Infer and explain if this is a positive or negative feedback
1) The cell body of the motor neuron is located in the ventral or anterior horn of the grey matter. From there, it extends to the motor unit. 2) Contraction refers to negative feedback in which the body reacts when facing a stimulus.
What is the anatomy of the spinal cord?The spinal cord is mainly composed of grey matter and white matter. The second one covers the first one.
The grey matter transversal section is composed of posterior, lateral, and anterior horns, also known as dorsal, lateral, and ventral horns, respectively.
Each type of horn contains a type of neuron.
In the posterior/dorsal horns, we can find sensory neurons that provide sensory information.In the thoracic area, we can find lateral horns with visceral motor neurons.
In the anterior/ventral horns, we can find motor neurons that extend to the skeletal muscle, which is the motor unit, to produce movement.
The motor neuron from the exposed example is located in the anterior or ventral gray horn.
This example refers to negative feedback because the neurotransmitter release causes a cascade effect that ends in muscle contraction, tending to suppress or counter the original stimuli.
Any change that might occur in the internal functioning will be countered by negative feedback to maintain homeostasis.
Negative feedback needs receptors, central control, and effectors.
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What is crossing over biology
A. constuct an argument that tells how the wildfire of 1988 affects populations of birds and animals in the Yellowstone region. support your answer eith evidence
B. predict how the bird and animal populations changed from 1988 to 2000
C. describe the effect of the 1988 wildfire on the pine tree population from 1988 to 2000
PLS HELPP THIS DUE IN THE NEXT 30 MINS
The recovery of the pine tree population may have been uneven across the burned areas, with some regions experiencing more successful regeneration than others.
A. The wildfire of 1988 in the Yellowstone region had a significant impact on the populations of birds and animals. The intense and widespread nature of the fire resulted in the destruction of vast areas of habitat and vegetation, leading to immediate and long-term consequences for wildlife. Research conducted after the fire indicates that certain bird species, such as the Black-backed Woodpecker and Mountain Bluebird, benefited from the increased availability of post-fire habitat, which provided favorable conditions for nesting and foraging. However, many other bird species, especially those that relied on mature forests and understory vegetation, experienced a decline in population numbers due to the loss of suitable habitat.
Similarly, animal populations were also affected. Large mammals such as elk and deer faced challenges in finding adequate food sources as their grazing grounds were consumed by the fire. However, some small mammal species, like mice and voles, benefited from the regrowth of vegetation after the fire. Predatory animals, such as coyotes and wolves, experienced changes in prey availability and distribution, which likely impacted their populations.
B. Predicting the changes in bird and animal populations from 1988 to 2000 is challenging without specific data from that time period. However, considering the regenerative nature of ecosystems and the potential for post-fire habitat recovery, it is plausible that certain bird and animal populations gradually rebounded during this period. Species that rely on early-successional habitat, such as the Black-backed Woodpecker, may have experienced population growth as the burned areas provided suitable conditions for nesting and foraging. Conversely, bird and animal species dependent on mature forests may have continued to face challenges in finding suitable habitat, potentially leading to population declines or slower recovery rates.
C. The 1988 wildfire had a notable effect on the pine tree population in the Yellowstone region from 1988 to 2000. The fire resulted in the widespread destruction of pine trees, particularly the lodgepole pine, which dominates the region's forests. However, fires also play a crucial role in the natural regeneration of forests. Following the fire, lodgepole pine forests underwent a process called serotiny, where the heat from the fire triggers the release of the tree's seeds. This phenomenon led to a surge in pine tree regeneration in the years immediately following the fire.
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write a debate for the motion galamsey should be banned in ghana
Answer:
The fact that the artisanal and small-scale mining (ASM) sector in Ghana is driven largely by poverty means that the sector is a major source of livelihood for people in mining communities across the country.