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kvasek [131]
3 years ago
11

Click on the moth variant that was selected for during the Industrial Revolution, when pollution began to kill the lichen that p

reviously covered all
Biology
1 answer:
irinina [24]3 years ago
8 0

Answer:

the dark moths

Explanation:

only the dark survived cause the tree trunks where covered in black stuff from the polution of the industries

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What is the AIDS Memorial Quilt is an example of? a. Surrealist art b. Community art making c. Art made in a workshop d. Shamani
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b. Community art making

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2 years ago
4. What does the tree of life represent? (1 point)
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3 years ago
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The gravitational potential energy of Sara at the given height is 10594.8J.

Given the data in the question;

  • Mass of Sara; m; = 60kg
  • Distance from ground; h = 18m
  • Acceleration due to gravity; g = 9.81m/s^2
  • Gravitational potential energy; U = \ ?

<h3>Gravitational Potential Energy</h3>

Gravitational potential energy is the potential energy an object with mass posessses relative to another object with mass due to gravity.

It is expressed as;

U = mgh

Where m is mass, h is height and g is acceleration due to gravity.

To determine the gravitational potential energy of Sara, we substitute our given values into the expression above.

U = mgh\\\\U = 60kg * 9.81m/s^2 * 18m\\\\U = 10594.8kgm^2/s^2\\\\U = 10594.8J

Therefore, the gravitational potential energy of Sara at the given height is 10594.8J.

Learn more about gravitational potential energy: brainly.com/question/3910603

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2 years ago
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