Unit Test — Cumulative exam

Question 1

How does groundwater become polluted?

Revolt · Accepted Answer

Pollutants mixed with water pass through permeable layers above the aquifer.

Question 2

Which of the following statements about water policy is true?

Revolt · Accepted Answer

The Clean Water Act has helped reduce water contamination, but further efforts are needed to maintain water quality.

Question 3

Which of the following statements about turning points in environmental policy is true?

Revolt · Accepted Answer

Turning points in environmental policy have come about through increased public awareness.

Question 4

While an important source of freshwater, groundwater is not as widely used as rivers and springs.

Revolt · Accepted Answer

F

Question 5

The Kyoto protocol works by _______.

Revolt · Accepted Answer

voluntary involvement

Question 6

It is important for _______ to participate in conservation efforts.

Revolt · Accepted Answer

all of the above

Question 7

Which of the following practices that are needed to run a nuclear power plant has a negative impact on both air and water?

Revolt · Accepted Answer

mining of uranium

Question 8

Why does fossil fuel use in the United States make the U.S. vulnerable to the political wishes of foreign countries?

Revolt · Accepted Answer

The US imports much of its petroleum from foreign countries which set the prices.

Question 9

Energy in most ecosystems must flow through autotrophs because ______.

Revolt · Accepted Answer

only autotrophs can convert solar energy into chemical energy

Question 10

Aquatic organisms that lived hundreds of millions of years ago and were buried in silt and sediment resulted in the formation of _______.

Revolt · Accepted Answer

petroleum

Unit Test — Cumulative exam Answers