The Colorado Potato Beetle is one of the most important agricultural pests worldwide. How many pesticides has the Colorado Potato Beetle developed resistance to?
a
0
b
1
c
Less than 10
d
More than 50
Answers
Answer:
D - More than 50
Explanation:
Since the middle of the last century, the beetle has developed resistance to 52 different compounds belonging to all major insecticide classes.
Related Questions
Why do organisms eat food? Be sure to explain your answer.
Answers
Answer:
Explanation:
Why do organisms eat food? Be sure to explain your answer.
Organisms need to eat food to get energy. They need the energy to perform an activity or function. To add on, it develops the immunity to fight against infectious diseases. It contains essential nutrients to maintain life and growth.
Sample Response: Organisms eat to obtain carbohydrates, lipids, and proteins, which are found in food. They then use these molecules for energy and growth.
What did you include in your response? Check all that apply.
Organisms eat food to obtain carbohydrates, lipids, and proteins, which are found in food.
Organisms use these molecules for energy and growth.
Answer:
Organisms need to eat food to get energy. They need the energy to perform an activity or function. To add on, it develops the immunity to fight against infectious diseases. It contains essential nutrients to maintain life and growth.
Explanation:
Hi guys :) I am in desperate need of help. Thanks <3
Answers
Answer:
yes me to i think its A
Explanation:
SCIENCE
Due to the intense heat and pressure on the inner core, scientists believe it is a
1)solid
2)liquid
3)semi-fluid
4)gas
Answers
Place the parts of the human circulatory system in order from highest to lowest degree of internal organization.
→ → →
Answers
Answer: The human circulatory system can be arranged from the highest to the lowest degree of internal organization as follows: Heart, Blood Vessels, Arteries, Veins, and Capillaries.
Explanation: The human circulatory system can be arranged from the highest to the lowest degree of internal organization as follows:
Heart: The heart is a vital organ responsible for pumping oxygenated blood to the body and deoxygenated blood to the lungs. It consists of chambers (atria and ventricles) and valves that regulate blood flow.
Blood Vessels: Blood vessels form a network of tubes that transport blood throughout the body. They can be classified into three types: arteries, veins, and capillaries.
Arteries: Arteries are thick-walled blood vessels that carry oxygenated blood away from the heart to various parts of the body.
Veins: Veins are blood vessels that transport deoxygenated blood from the body back to the heart. They have thinner walls compared to arteries and contain valves to prevent backflow.
Capillaries: Capillaries are tiny, thin-walled blood vessels that connect arteries and veins. They facilitate the exchange of oxygen, nutrients, and waste products between the blood and surrounding tissues.
Please note that this arrangement is based on the internal organization of the circulatory system, with consideration given to the hierarchical structure and function of each component.
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Answer:
Cell, tissue, organ and organ system
Explanation:
The correct order from the lowest to the highest degree of internal organization is the following Cell, tissue, organ, and organ system then at last whole body. It is because the cells are produced in order to form the tissues in the body and in order for an organ to be produced tissues are essential and are formed and in order for a system.
When you drop something, first of all it accelerates.
The faster it falls, the bigger the force of ______ that acts on it.
choose from the list to complete the sentence:
friction gravity air pressure
note: apparently the answer is friction but it doesn't make sense to me so please explain.
Answers
The faster an object is going, the more resistance there will be. An example of this would be if you're running the faster you run, the more air is going against you.
I hope this helps!
Using the knowledge you have about electricity, what invention would you create to provide electricity for those third world countries who need it? Post a picture of your invention listing the significance. If you have a country specifically in mind this could help please list that country, as well.
Answers
Answer:
I would recomend stuff like in one of Mark Rober's videos about a $1.00 microscope and centrifuge.
Explanation:
Harvard is working on cheap ways to allow third-world countries to have these types of machines without the need for electricity.
Please can someone help me need help with these 5 questions!! and QUICK!
I need it done REALLLLLYYYYY soon!! (more like now but-)
(20 points for the answer to all of them)
Answers
Answer:
10. dependent as a change has occurred which has affected something else which is measurable.
11. dependent as a change is made to the environment this is why some species cannot live there as they have adapted to the climate.
12. Dependent due to change occurring it has resulted in the population decreasing which is measurable.
13. Dependent as the animal's and plants' survival is reliant on the environment.
14. Dependant as the plants require sunlight for photosynthies
Answer:
All are dependent
Explanation:
A meteor falls toward Earth's surface. Given that the acceleration due to
gravity is 9.8 m/s^2, what is the meteor's potential energy if it has a mass of 10
kg at an altitude of 400 m?
O A. 408 J
O B. 7,840,000 J
O C. 2J
O D. 39,200 J
Answers
Answer:
39,200J
Explanation:
just took the test
The meteor's potential energy if it has a mass of 10kg at an altitude of 400 m will be 39200 J
What is potential energy ?Potential Energy that depend upon the relative position of various parts of system . It is an energy possessed by an object by virtue of its position or configuration.
mass(m) = 10kg
g (acceleration due to gravity) = 9.8m/s^2
altitude(height (h)) = 400m
Meteor's Potential energy = m * g * h
= 10 * 9.8 * 400 = 39200 J
correct option will be a) 39200 J
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What does a mechanical wave do with its energy?
Answers
Answer: A mechanical wave is a wave that is an oscillation of matter, and therefore transfers energy through a medium. While waves can move over long distances, the movement of the medium of transmission the material is limited. Therefore, the oscillating material does not move far from its initial equilibrium position. Mechanical waves transport energy.
Explanation:
atomic math challenge will give brainly and thanks
Answers
Answer:
1. Hydrogen
Atomic # = 1
Atomic Mass = 1.00794 ( If you round it it's 1.008 )
# of protons = 1
# of neutrons = none
# of electrons = 1
Why does height affect bounce efficiency?
Answers
used to measure mass
Answers
━━━━━━━☆☆━━━━━━━
▹ Answer
Kg is the unit used to measure mass.
▹ Step-by-Step Explanation
Kg stands for kilogram, and is the SI unit used to measure mass.
Hope this helps!
CloutAnswers ❁
━━━━━━━☆☆━━━━━━━
What is one way that an electric field is different from a magnetic field?
Answers
Answer:
The one of the major difference between the magnetic and electric field is that the electric field induces around the static charge particle which is either negative or positive, whereas the magnetic field produces around the poles (i.e., the north and south pole) of the magnet
Explanation:
Difference Between Electric Field And Magnetic Field. Magnetic field is an exerted area around the magnetic force. It is obtained by moving electric charges. The direction of the magnetic field is indicated by lines. While the electric fields are generated around the particles which obtains electric charge.
Explanation:
hope this helps
When we run electricity, nuclear power plant offers what type of pricing? Whereas, natural gas offers what types of pricing?
Answers
Answer:
29.13 U.S. dollars per megawatts
Explanation:
2002-2021. The generation of electricity through nuclear power plants in the United States
Natural gas pricing is generally more flexible and influenced by market conditions.
Why did SpaceX install sun shields on the Starlink satellites? A to reduce light pollution caused by the satellites B to keep the satellites cool C to increase the amount of light reflected by the satellites D to provide solar power to the satellites
Answers
Answer:
The Answer is A
Explanation:
SpaceX was hoping to limit the effect on astronomy by providing sun shields to Starlink.
Hope I could help. If I was indeed correct, I would appreciate it if you can mark me as Brainliest.
The bottom wave has a greater _____
(1 point)
amplitude.
frequency.
trough.
wavelength.
Answers
Answer: hope this helps ♡
The bottom wave has a greater frequency.
Explanation:
1. Waves with a low frequency have a longer wavelength.
2. Waves with a high/great frequency have a shorter wavelength.
The bottom wave has a greater frequency. So, the second option is correct.
What is meant by frequency of a wave ?Frequency of a wave is defined as the number of oscillations the wave completes in one second.
Here,
The diagrams of two waves are represented. The propagation of wave from the time zero to one second is given.
From the first diagram,
The wave is travelling from point a at t = 0 and reached at the point b at t = 1 s. This means in a time duration of 1 second, it has travelled a distance ab from a to b. The time taken for one oscillation to complete is called the time period. In the diagram, the number of waves passing in one seconds can be calculated. A few number of waves passed in one second.
From the second diagram,
The wave is travelling from the point a to point b in a time duration of one second. When compared to the top wave, the time taken for one wave to complete is lesser for the bottom wave. That means the time period is lesser than the top wave. In the diagram, it can be seen that, the number waves that has been completed in the one second is very high compared to that of the top wave. That means the bottom wave has higher frequency than that of the top wave.
Hence,
The bottom wave has a greater frequency.
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Forces between objects act when the objects are in direct contact or when they are not touching. Can you think of any forces that can act at a distance?
Answers
Answer:
gravity
Explanation:
Gravity as well as electrostatic and magnetic attraction and repulsion provide real life examples of forces being exerted by one object on another without them being in contact with each other. Many children are aware of magnetism and have played with fridge magnets.
Answer:
Magnetic, electric, and gravitational forces can be exerted, even though the objects involved do not touch each other.
Explanation:
BRAINLIEST
Now that you have done
some research, write a
hypothesis based on the
relationship between zinnias
and the sun. Write it as an
“If ________, then__________”
statement.
Answers
Answer:
If zinnias are exposed to direct sunlight for a sufficient amount of time each day, then they will grow and bloom more successfully compared to those that do not receive adequate sunlight.
Hope my answer helps you ✌️
Mark BRAINLIEST
PLEASE HELP ON QUESTION ASAP !
Hi please help on question.If you get answer correct is be willing to give brainliest,a thanks, five stars and 10pts.
My question:
As an analogy of a circuit with resistance, think of an obstacle race . Which parts of a circuit do the obstacles represent? which part of the circuit do the people respresent?
Answers
In an analogy of a circuit with a resistance to an obstacle race, we can consider various elements of the race as representative of different components of the circuit.Obstacles, Track or Route, Participants, Start and Finish Line.
Obstacles: The obstacles in the race represent the resistors in a circuit. Just as resistors impede the flow of current in a circuit, obstacles in the race create hurdles that slow down the participants. The difficulty or magnitude of the obstacles can be equated to the resistance value of the resistors in a circuit.
Track or Route: The race track or route itself can be seen as the conductive path in a circuit. It provides a pathway for the participants to move and complete the race. Similarly, the conductive path in a circuit allows the flow of current from the power source to the load.
Participants: The people participating in the race represent the flow of electrons in a circuit. Just as the participants move through the obstacles in the race, electrons move through the resistors in a circuit. The rate at which participants complete the race can be compared to the current flowing through the circuit.
Start and Finish Line: The start and finish line of the race correspond to the terminals of a circuit. The start line represents the positive terminal, where the participants begin their journey, and the finish line represents the negative terminal, where the race concludes.
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Answer: As an analogy of a circuit with resistance, the obstacles in an obstacle race represent the resistance in a circuit. The parts of the circuit that the obstacles represent are the resistors. The people in the obstacle race represent the current in a circuit. The current is the flow of charged particles (such as electrons) in a circuit. In an obstacle race, the people are moving through the obstacles, just as the charged particles are moving through the resistors in a circuit. The obstacles slow down the people, just as the resistors slow down the flow of charged particles in a circuit.
Explanation:
What processes were involved in the formation of the model? How is the model similar to the real metamorphic sample? How is the model different from the real metamorphic sample?
Answers
What would happen to the digestion process if enzymes were not present
Answers
Answer: It would take 2.3 billion years for the biological reaction without the presence of enzymes. It’s because, without them, your body can’t break down foods so that nutrients can be fully absorbed. Every organ, every tissue, and every 100 trillion cells in our body rely upon the reaction of metabolic enzymes and their energy component.
Explanation:
I hope this helps
Without enzymes, the body would not be able to break down complex carbohydrates, proteins, and fats into their component molecules. This means that these nutrients would not be absorbed by the body and would be excreted as waste.
Additionally, the lack of enzymes would make it difficult for the body to digest and absorb vitamins and minerals. This could lead to malnutrition and other health problems over time.
Overall, the absence of enzymes from the digestive process would severely impair the body's ability to extract nutrients from food and could have negative consequences for overall health and well-being.
If radio waves can travel through space, why can't we hear sounds in space as well? All BUT ONE answer choice should help you explain.
A. Radio waves are electromagnetic waves and do not require a medium.
B. Sound waves are compression waves and require a medium.
C. Sound waves are transmitted via particles called photons.
D. Because space is relatively empty, sound waves have no way to travel.
Answers
Match the terms to their definition. 1. energy the ability to do work 2. kinetic energy the energy of motion 3. Law of Conservation of Energy the stored energy of an object 4. potential energy the principle which states that the total amount of energy in a system isolated from the rest of the universe remains constant although energy may be transformed from one form to another within the system
Answers
Answer:
Acceleration Due to Gravity
9.8 m/s^2 or 32 ft/s^2, the change in velocity per second at the surface of the earth
Chemical Energy
energy derived from chemical bonding between atoms
Displacement
The length of the shortest path from one point to another
Distance
the length of any given path connecting two points
electrical energy
energy derived from charges in motion
energy
the capacity to do work
force
a push or pull
geothermal energy
energy obtained from steam or water heated below the earth's surface by natural sources of heat
heat energy
energy that results when a temperature change occurs
hydroelectric energy
energy obtained when water behind a dam is used to turn a generator
kinetic energy
energy an object has due to its motion
light energy
energy derived from light
mass
the amount of matter an object has
nuclear energy
energy derived from nuclei of atoms
potential energy
energy stored in an object due to its position
solar energy
energy obtained from the sun
tidal energy
energy obtained from the earth's tides
wind energy
energy obtained from the wind
work
that which occurs when a force moves through a net displacement; the tangible product of expended energy
Efficiency
A measure of the ratio of work done to work available
Law of Conservation of Energy
The principle which states that the total amount of energy in a system isolated from the rest of the universe remains constant although energy may be transformed from one form to another within the system
Power
rate at which work is done or energy expended
Calorie
The amount of heat needed to raise one gram of water one Celsius degree
Gaseous Phase
A state in which matter occupies all available space
Liquid Phase
The state in which matter takes the shape of its container
Plasma Phase
The highest energy state of matter in which matter is ionized
Rotational Motion
Motion on an axis; spin
Solid Phase
The lowest energy state, in which matter definite shape and volume
Specific Heat
The amount of heat added or removed from one gram of matter to change its temperature by one Celsius degree
Temperature
That which matter exhibits by virtue of its molecular motion; a measure of heat
Thermodynamics
The study of energy conversions between heat energy and mechanical energy
Translational motion
change of location
Vibrational Motion
motion with no net displacement
Latent Heat of Fusion
the heat needed to change one unit of matter from liquid to solid with no change in temperature
Latent Heat of Vaporizaion
The heat needed to change one unit of matter from liquid to gas with no change in temperature
First Law of Heat and Thermodynamics
The principle which states that energy can neither be created nor destroyed; the total amount of energy is constant but may be converted from one form to another
Heat Engine
An engine that operates on a temperature difference and releases a great deal of heat
Second Law of Heat and Thermodynamics
The principle which states that whenever energy is transformed from one form to another, some energy is dissipated as heat energy that is useless and cannot be transformed into mechanical energy
Explanation:
The work input = _____.
F i ÷ d i
F o ÷ d o
F o × d o
F i × d i
Answers
The work input = Fi × di
How to solve for work input?To solve for work input, you need to know the force acting on an object and the distance it moves in the direction of the force. Work input is defined as the product of force and distance, given by the formula:
Work Input = Force × Distance × cosθ
Where θ is the angle between the force vector and the direction of motion. If the force is applied in the direction of motion, then θ = 0 and cosθ = 1, so the formula simplifies to:
Work Input = Force × Distance
For example, if you are pushing a box with a force of 50 newtons over a distance of 10 meters, the work input would be:
Work Input = 50 N × 10 m × cos(0°) = 500 Joules
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Answer: F i × d i
Explanation:
Water contamination is often measured in parts per million (ppm) . If the concentration of the pollutant is 5 ppm, that means there are 5 parts of the contaminant in 1 million parts of water. Gasoline spilled into a small body of water. If the concentration of gasoline is measured to be 3ppm, how many liters of gasoline spilled into the 2,000,000 liters of water?
a. 3 L b. 6 L c. 9 L d. 10 L
i need this pls ty :)
Answers
Answer:
500liters because when you solve it you get it
You can answer this to get points its not an actual question
or you can answer just because
What determines the direction that a wire with a current will move when placed in a magnetic field?
Answers
Answer:
the electromagnetic pulse
Explanation:
Mahiya and Mrinmoy are in a relay around a square field with each side of length 60m. First, Mahiya runs at a speed of 6 ms−1 for 60m to pass a baton to Mrinmoy. Then Mrinmoy runs 120m at 4ms−1 while Mahiya runs through the field to reach the other corner. Then Mrinmoy passes the baton. But Mahiya is now tired since she has been constantly running. So, she only runs at 3ms−1 for the final 60m. What is the average speed of the baton in ms−1?
Answers
The average speed of the baton can be determined by dividing the total distance travelled by the total time taken for that travelling.
\(Average\ Time = \frac{Total\ Distance}{Total\ Time}\)
First, we will find the total distance, by adding the distances travelled by both Mahiya and Mrinmoy, while carrying the baton.
\(Total\ Distance = Distance\ Travelled\ by\ Mahiya\ to\ pass\ the\ baton\ to\ Mrinmoy\ +\ Distance\ Travelled\ by\ Mrinmoy\ to\ pass\ the\ baton\ to\ Mahiya\ +\ Final\ Distance\ Travelled\ by\\ Mahiya\)Total Distance = 60 m + 120 m + 60 m = 240 m
Now, we will find the total time taken for this travelling. To find out the total time we will divide each distance travelled by the speed of the traveller during that distance:
\(Total\ Time = \frac{60\ m}{6\ m/s}+\frac{120\ m}{4\ m/s}+\frac{60\ m}{3\ m/s}\\\\Total\ Time = 10\ s\ +\ 30\ s\ +\ 20\ s\)
Total Time = 60 s
Now, we finally find the average speed of the baton by using the formula:
\(Average\ Time = \frac{Total\ Distance}{Total\ Time}\\\\Average\ Time = \frac{240\ m}{60\ s}\)
Average Speed = 4 ms⁻¹
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Describe 3 factors an engineer should take into consideration when choosing material for building the pipes in a pipeline
Gr. 8
Think it has something to do with Viscosity, Density, and Pressure but not sure what
Answers
Answer: 1. Material being transported 2. The temperature of the material being transported 3. How long the pipes will be there (lifespan)
Explanation: 1. - The pipe builder should consider the material being transported to choose the correct material of the pipes to use, so they last long and can hold the material.
2. - Similar to 1, the pipe builder should consider the temperature of the material to choose the correct material of the pipes to use, so the pipes don’t break and function properly.
3. - If the pipe builder uses a material that can hold the material, that’s great! If that material will last a short time, it would not work if the pipes were to be used for a long time.
The things you said before about viscosity, density, and pressure are also correct. The correct answers are mainly talking about factors of the material being used in the pipes.
hope this helped :)
Science ──> NEED HELP NOW NO TIME PLS
{Biodiversity Unit Test ─> Unit 4 - Lesson 23}
PLEASE HELP I NEED THIS NOW!!
─────────────────────────────────────────────────────────────
Although some studies suggested the presence of water on Mars, the planet represents a hostile environment for human habitation. Scientists are currently researching ways to support potential human colonies on the Red Planet. Scientists have created closed ecosystem models that allow them to control factors such as moisture and temperature. In some of these closed ecosystems, plant growth experiments are being run using simulated Mars soil made of volcanic rocks from Earth.
Given this information, in three to five sentences, describe one (nonplant) organism that could contribute to an important ecosystem service for this system and describe one ecosystem service that you benefit from due to your local ecosystem that is probably not available on Mars.
(4 points)
{eassy} i need to get this right so please send me the answer
Answers
Bacteria and microorganisms in the soil could contribute to the supporting ecosystem service by providing nutrients to the soil. On the other hand, bees in the Earth ecosystem provide a regulating service but this might not be possible on Mars.
What is an ecosystem service?This is defined as the type of benefit humans obtain from different elements in the ecosystem. There are four main types of ecosystem services:
RegulatingSupporting ProvisioningCulturalWhat is an example of an ecosystem service on Mars?Considering in Mars conditions are quite rough, not all organisms might survive but one type of organism that could do it is bacteria.
Bacteria would provide the supporting service in soil because bacteria recycle soil nutrients to support the growth of plants, which is necessary if humans want to live on Mars.
What is an example of an ecosystem service on Earth?One example of regulating service on Earth is bees. Indeed bees pollinate plants and this is necessary because it helps plants reproduce and thrive, which regulates the number of plants on Earth. Moreover, it is likely bees would not survive on Earth because they need more demanding conditions.
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A driver is driving a 6371 kg lorry. After spotting a hazard, the driver applies the brakes. The lorry decelerates uniformly and comes to a stop 60 m after the brakes are applied. Estimate the braking force needed to stop the lorry.
Answers
Answer:
The estimated braking force needed to stop the lorry is zero, based on the given information and calculations. However, it's important to note that this result is likely not accurate, as some force is required to stop a moving object. It's possible that additional information or calculations are needed to obtain a more realistic estimate of the braking force.
Explanation:
To estimate the braking force needed to stop the lorry, we can use Newton's second law of motion, which states that force (F) is equal to mass (m) multiplied by acceleration (a).
In this case, the lorry decelerates uniformly, so the acceleration is constant. The initial velocity is assumed to be zero since the lorry comes to a stop. The final velocity is also zero. Therefore, we can use the equation:
Final velocity squared (vf^2) = Initial velocity squared (vi^2) + 2 * acceleration (a) * distance (d)
Since vi = 0 and vf = 0, the equation simplifies to:
0 = 0 + 2 * a * d
Solving for acceleration (a), we have:
2 * a * d = 0
a = 0
Since the acceleration is zero, it means that the braking force needed to stop the lorry is also zero. This is likely not an accurate result as some force is required to stop the lorry. It's possible that additional information or calculations are needed to accurately estimate the braking force.
The braking force required to stop a 6371 kg lorry after spotting a hazard and applying the brakes is what the question is asking for. The lorry decelerates uniformly and comes to a stop 60 meters after the brakes are applied.
The following steps will guide you on how to calculate the braking force:
Step 1: Determine the mass of the lorry which is 6371 kg. This will be denoted as m.
Step 2: Determine the distance travelled by the lorry, which is 60 m.
Step 3: Determine the time taken by the lorry to stop. This can be done by using the formula for uniform deceleration, which is a = (v-u)/t where v is the final velocity, u is the initial velocity and a is the uniform deceleration. Since the lorry comes to a stop, its final velocity is zero and its initial velocity is unknown.
However, we can assume that the lorry was initially travelling at a constant speed before spotting the hazard. Therefore, we can assume that the initial velocity was equal to the average velocity of the lorry before the brakes were applied.
This can be calculated using the formula v = d/t where d is the distance travelled and t is the time taken. The average velocity can therefore be calculated as follows: v = d/t = 60 m/t
Step 4: Rearrange the formula for uniform deceleration, a = (v-u)/t, to find u which is the initial velocity. Since the lorry comes to a stop, we know that v = 0.
Therefore: u = v - at where a is the uniform deceleration and t is the time taken to stop which is also equal to the time taken for the lorry to travel the distance of 60 meters. Substituting for v, we get: u = - at
Step 5: Calculate the acceleration of the lorry using the formula a = (v-u)/t. Since the final velocity is zero, we get: a = -u/t = -(-at)/t = a The acceleration is negative since the lorry is decelerating.
Step 6: Calculate the braking force using the formula F = ma where F is the braking force and m is the mass of the lorry. Therefore: F = ma = (-ma) since a is negative = (-6371 kg) (a) Therefore, the braking force required to stop the lorry is -6371a N where a is the uniform deceleration calculated in Step 5.
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