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Essay Quiz
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1

What are the three parts of the biosphere?

2

Define "environmental pollution".

3

What has happened to the Aral Sea in the past 50 years?

4

What are the agricultural sources of water pollution?

5

Explain how acid rain is formed.

6

What are the two categories of chemicals responsible for depletion of the ozone layer and in what types of products are these found?

7

Why is soil erosion a problem?

8

What are some factors that contribute to a species being threatened or endangered?

9

What is Yucca Mountain?








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