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Vesna [10]
3 years ago
14

As people try to rid fruit, vegetables, and ornamentals from bugs, our environment and many of its inhabitants are harmed. The p

ollinators, like bees, butterflies, and birds are especially at risk. However, the honeybee population has declined. What is being used that can affect a colony of bees; as well as their predators? A) Contact pesticides B) Systemic pesticides C) Contact fungicides D) Residual fungicides
Physics
1 answer:
xeze [42]3 years ago
4 0

Answer:

Systemic pesticides

Explanation:

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baherus [9]

From the momentum conservation we know that the initial momentum is equal to the final momentum. The momentum in a singular way can be defined as the product between the mass and the velocity of an object. In the presented system, however, there are two objects, therefore the mass of both and the speed of both, before and after the collision must be taken into account. Mathematically we could describe this as

m_1u_1+m_2u_2 = m_1v_1+m_2v_2

Here,

m_{1,2} = Mass of each object

u_{1,2} = Initial velocity of each object

v_{1,2} = Final velocity of each object

From here we can realize that it is necessary to use the system on both cars to be able to predict what will happen either with their masses, or their speeds.

The correct answer is C.

6 0
3 years ago
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Levart [38]

Answer:

An unbalanced force (net force) acting on an object changes its speed and/or direction of motion. ... A net force = unbalanced force. If however, the forces are balanced (in equilibrium) and there is no net force, the object will not accelerate and the velocity will remain constant.

Explanation:

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3 years ago
It is important to maintain septic systems in order to
Andreyy89
It is important to maintain septic systems in order to <span>prevent untreated sewage from contaminating groundwater</span>
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3 years ago
A low-pass first-order instrument has a time constant of 20 ms. find the frequency, in hertz, of the input at which the output w
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PLEASE HELP THIS IS DUE TODAY If an element's atomic mass and atomic number are known, what else can be determined? Give an exam
Fudgin [204]
If you know an element’s atomic number, you will learn the number of protons and electrons. The atomic number is equal to the number or protons and electrons. You can also find the number of neutrons, by subtracting the atomic mass from the atomic number.

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Hope this helps :)
4 0
3 years ago
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