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Science

Evolution and Environment

Humans and the environment - Test

1.

What is one consequence of an increasing human population?

2.

Where is toxic waste released from?

3.

How can rivers be polluted?

4.

Why is the sulfur dioxide produced from burning fuels a problem?

5.

How do lichens indicate levels of air pollution?

6.

Why is deforestation in tropical regions a problem?

7.

Which of the following is not a greenhouse gas?

8.

Which of the following produces large amounts of atmospheric methane?