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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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Explain why we say that energy from the washing machine is wasted' as thermal energy?
antoniya [11.8K]

Explanation:

In washing machine, the electrical energy is converted in kinetic energy then the mechanical energy is converted into thermal (heat) energy.

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Why is an air mass unlikely to form over the rocky mountains of north america?
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The mountains can and will block airflow from higher pressure systems that come in from a coast and won't combine to nake storms
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10. How much work is done by gravity if it pulls a 100 N object down 2 m?
NeTakaya

Answer:

200 J

Explanation:

W = f * d

W = 100N * 2m

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If a resultant vector is 12 m/s and the horizontal component is 9 m/s, what is the value of the vertical component? A. 5.8 m/s B
horrorfan [7]

The vertical component is B) 7.9 m/s

Explanation:

A vector can be resolved into its horizontal and vertical components. The horizontal and the vertical components form the sides of a right triangle, in which the resultant corresponds to the hypothenuse, so we can use Pythagorean's theorem:

R=\sqrt{R_x^2+R_y^2}

where

R is the resultant vector

Rx is the horizontal component

Ry is the vertical component

In this problem, we have:

R = 12 m/s is the resultant vector

Rx = 9 m/s is the horizontal component

Solving the formula for Ry, we find the vertical component:

R_y = \sqrt{R^2-R_x^2}=\sqrt{12^2-9^2}=7.9 m/s

Learn more about vector components:

brainly.com/question/2678571

#LearnwithBrainly

3 0
3 years ago
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