AnswersSC332 Environmental Science BResource Conservation

Resource Conservation — Cumulative exam Answers

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What important function do stream pools serve?

A
Stream pools serve as a habitat for juvenile fish.
B
Stream pools serve as a habitat for organisms that have difficulty in feeding or navigating swifter areas of the stream.
C
They have greater depth and lower velocity than other parts of the stream, thus allowing a habitat for organisms during dryer seasons.
D
All of the above
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What is an advantage of using nuclear power?

A
Nuclear power is generated at a lower cost than traditional methods.
B
Nuclear power produces less pollution than traditional methods.
C
Nuclear power is more efficient than traditional methods.
D
All of the above
43

The efforts of governments and businesses toward conservation and preservation have had a positive impact on the environment.

A
T
B
F
44

In which region would you find the lowest concentration of public land in the United States?

A
the Pacific Northwest
B
the West coast
C
New England
D
the Midwest
45

Rivers and streams are biodiverse ecosystems that are sensitive to change.

A
T
B
F
46

Which of the following scenarios is representative of how agricultural practices can affect the environment?

A
increased oxygen levels in a pond due to fertilizer runoff
B
sediment accumulation in a body of water near a farm
C
soil compaction caused by tillage
D
increased plant growth caused by the application of herbicides
47

Which of the following is the most important factor in achieving sustainability?

A
ending nonrenewable resource use
B
agricultural practices
C
resource management
D
ending pesticide use
48

Which of the following statements about mining is true?

A
Mining has no long-term effects on the Earth.
B
Mining is unimportant to the economy.
C
Mining has no ecological impact.
D
Mining allows useful minerals to be extracted from the Earth.
49

Which of the following can be reduced by the use of renewable energy sources?

A
social costs
B
economic costs
C
environmental costs
D
all of the above
50

Global climate change is a concern to scientists because it_______.

A
is a natural process unaffected by humans
B
has never changed before
C
can have drastic effects to life on Earth
D
can happen overnight

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