AnswersSC332 Environmental Science BResource Conservation

Human Impact on the Environment Answers

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How can reduced precipitation lead to limited water availability?

A
Reduced precipitation leads to overuse.
B
Precipitation is a nonrenewable resource.
C
Reduced precipitation is a global event.
D
Reduced precipitation may lead to drought.
2
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What two countries have nearly 50% of global coal reserves?

A
United States and Canada
B
United States and Russia
C
Brazil and Russia
D
Brazil and Canada
3

Which of the following statements about paper recycling is not true?

A
Recycling one ton of newspaper can save 100 trees.
B
Recycling paper can lead to 74% less air pollution.
C
Paper recycling can save on the use of water resources.
D
Recycling paper can lead to 35% less water pollution.
4

Which of the following is not a technology that can be used to conserve resources?

A
hydropower
B
volcanic power
C
natural gas
D
geothermal
5

Which of the following is not a reason that small societies can maintain stability in the long term better than larger societies?

A
Smaller societies have a smaller demand for resources.
B
Smaller societies can be governed by internal controls more effectively than larger societies.
C
Smaller societies rely more heavily on legislation and military forces.
D
Smaller societies tend to have stronger interpersonal relationships.
6

Humans living in highly populated areas are more inclined to _______.

A
violence
B
socially isolate
C
appetite loss
D
all of the above
7

Which of the following statements about resource use is true?

A
The use of renewable resources has no inherent costs.
B
Resource use, whether renewable or nonrenewable, must be carefully managed to reduce the impact on the environment.
C
Nonrenewable resources are used for energy, because there are no renewable resources that can be used as a source of energy.
D
The overuse of nonrenewable resources is less environmentally damaging than the overuse of renewable resources.
8

Which of the following is true concerning natural resources?

A
Natural resources are not recycled.
B
Natural resources are only inorganic.
C
They are part of natural processes.
D
They only incorporate one form of matter.
9

The use of non-local resources is associated with certain economic and environmental consequences.

A
T
B
F
10

Cyanobacteria have been engineered to produce isobutanol directly. What advantage does this have over other alternative biofuels?

A
It is an inherently renewable fuel source.
B
Multiple processing steps can be avoided.
C
They produce chemical energy through photosynthesis.
D
They make a biofuel alternative to gasoline.
11

Which of the following statements about human society and limiting factors is true?

A
Modifications made to the environment to reduce the impact of limiting factors can cause disruption to the natural balance of an ecosystem.
B
Humans cannot modify their environment to adapt it to their needs.
C
Humans can completely overcome the factors that limit population size.
D
Limiting factors are of no concern to human society, because they do not affect human populations.
12

Which of the following statements about using geothermal energy is not true?

A
Geothermal energy can be used to fuel vehicles.
B
Geothermal energy can be used as a source of electricity.
C
Geothermal energy can be used as a source of heat.
D
Geothermal energy is a renewable resource.
13

The United States’ fossil fuel shortage of

Answer not available
14

Adjusting timber-management strategies to address long-term shortfalls will

A
immediately increase available supplies.
B
initially create shortfalls in timber supplies.
C
initially decrease the cost of timber.
D
eventually result in more expensive timber.
15

A population is a collection of all the types of organisms in an area.

A
T
B
F
16

A(n)

Answer not available
17

What is an advantage to alternative energy technology?

A
Using alternative energy technology increases the demand for fossil fuels.
B
Most alternative energy technologies use nonrenewable resources.
C
Alternative energy technology can reduce the environmental impact of burning fossil fuels.
D
There is no advantage to using an alternative energy technology.
18

How does importing coal contribute to pollution?

A
If the U.S. did not import coal, it would have to use alternative fuel methods.
B
Fuel is used to transport the coal, which contributes to pollution.
C
Shipping coal overseas causes water pollution from coal spills.
D
All of the above
19

Which is true of solar, wind, and geothermal energy?

A
They contribute to atmospheric pollution.
B
They are dependent on location to be effective.
C
They contribute to global warming.
D
They contribute to negative health consequences.
20

Which energy transformation occurs in the core of a nuclear reactor?

A
nuclear energy mechanical energy
Option A
B
nuclear energy thermal energy
Option B
C
thermal energy nuclear energy
Option C
D
mechanical energy nuclear energy
Option D

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