Resource Conservation — Cumulative exam Answers

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21
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How is the world population projected to change in the next few decades?

A
It is projected to level off.
B
It is projected to decrease steadily.
C
It is projected to increase steadily.
D
It is projected to double within 5 years.
22
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Which of the following aspects of the environmental movement addresses the public’s right to intervene in environmentally damaging activities on private land?

A
environmental justice
B
environmental sociology
C
environmental law
D
environmental activism
23

What characteristic sets streams and rivers apart?

A
water quality
B
direction of flow
C
size
D
biodiversity
24

Flooding on rivers is caused by human activity rather than natural events.

A
T
B
F
25

Which of the following is not a manmade cause of global warming?

A
burning fossil fuels
B
deforestation
C
respiration
D
population growth
26

How does groundwater become polluted?

A
Pollutants mixed with water pass through permeable layers above the aquifer.
B
Factories dump their waste directly into aquifers.
C
Refuse infiltrates the water table when garbage is dumped.
D
All of the above
27

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

A
The US is a net exporter of fossil fuels.
B
Fossil fuels lead to global climate change.
C
The US imports much of its petroleum from foreign countries which set the prices.
D
All of the above.
28

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

A
coal
B
biomass
C
biofuels
D
petroleum
29

Desalination has no known negative impacts on the environment.

A
T
B
F
30

The Kyoto protocol works by _______.

A
mandatory involvement
B
voluntary involvement
C
imposing trade restrictions on nonparticipating countries
D
offering monetary rewards to participating countries
31

Which of the following is a difficulty associated with environmental protection?

A
cost
B
unpredictability
C
sustainability
D
all of the above
32

Biological pest control methods supplement but cannot replace chemical pest control methods.

A
T
B
F
33

It is important to maintain septic systems in order to _______.

A
prevent treated sewage from contaminating groundwater
B
process human waste into fertilizer
C
prevent untreated sewage from contaminating groundwater
D
none of the above
34

Reclamation restores an environment affected by mining to a state where it can sustain its ecosystem.

A
T
B
F
35

It is important for _______ to participate in conservation efforts.

A
government
B
business
C
citizens
D
all of the above
36

Which of the following changes to waterways is only the result of human activity?

A
erosion
B
temperature fluctuations
C
flooding
D
chemical pollution
37

Which of the following is an aspect of the elastic rebound theory?

A
Energy built up when plates try to get past each other is released when plates break free.
B
Fault zones are often located near major population centers.
C
Earthquakes occurring along subduction zones cause tsunamis.
D
None of the above are aspects of the elastic rebound theory.
38

Which of the following statements about change in ecosystems is true?

A
Ecosystems experience change through human activity only.
B
Ecosystems experience change through natural events only.
C
Ecosystems experience no change.
D
Ecosystems experience change through human activity and natural events.
39

Which of the following statements about water policy is true?

A
The United States does not regulate water quality.
B
Policies regulating water pollution and water quality have eliminated environmentalists concern about water.
C
Current laws in place about water policy would eliminate water quality problems if they were enforced.
D
The Clean Water Act has helped reduce water contamination, but further efforts are needed to maintain water quality.
40

Changes to the global climate could include _______.

A
changes to temperature
B
changes to pressure
C
changes to precipitation
D
all of the above

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