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zysi [14]
3 years ago
7

In high-elevation forests in Pennsylvania, ecologists have

Biology
1 answer:
Llana [10]3 years ago
4 0

Answer:

The loss of trees and other vegetation can cause climate change, desertification, soil erosion, fewer crops, flooding, increased greenhouse gases in the atmosphere, and a host of problems for indigenous people.

Explanation:

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4/10
grin007 [14]

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

8 0
2 years ago
What has a biconcave shape to increase its surface area​
jeka94

Explanation:

The human erythrocyte adopts a distinctive biconcave disc form in vivo. ... It has been suggested that this shape maximises the surface area to volume ratio and thus expedites diffusion.

3 0
3 years ago
Which organisms are considered predators
Dafna11 [192]
The secondary consumers ig
7 0
4 years ago
Read 2 more answers
Should the amendment , which allows for free speech , include all types of speech ? What about bad language racial slurs , and o
Afina-wow [57]

Explanation:

No because a speech has to be a meaningful speech

3 0
3 years ago
Read 2 more answers
Decaying plant and animal matter returns nitrogen to the soil in the forms of, , which plants can take in and use
QveST [7]
The dead plants and animals are the form of organic nitrogen. Microorganisms utilize these materials and break them down and convert into nitrates, which is a utilizable form and is used by plants and animals. The process is called as nitrogen fixation. 
3 0
3 years ago
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