AnswersFL-2000310-Biology 1 Sem 2 - FlexHuman Impact on the Environment

Human Impact on the Environment — Cumulative exam Answers

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1
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Buffer zones _______.

A
can help regulate the acidity of aquatic ecosystems
B
help increase erosion rates
C
are set up around natural resource areas
D
all of the above
2
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Climate change caused by natural disasters cannot have a negative impact on ecosystems.

A
T
B
F
3

The following is a chemical reaction for _______ with ozone.

Question illustration
A
chlorofluorocarbons
B
halons
C
UV radiation
D
none of the above
4

Human health is unaffected by environmental limiting factors.

A
T
B
F
5

Permits in the cap and dividend policy are issued for _______ production.

A
carbon dioxide
B
timber
C
water pollution
D
plastic
6

Energy efficiency strategies are based on the assumption that consumers will be willing to pay more in exchange for reduced energy use.

A
T
B
F
7

Which of the following best explains why humans need constant supplies of fresh water?

A
Humans need a constant supply of water to provide them with essential vitamins.
B
Humans need a constant supply of water to maintain proper hygiene.
C
Constant supplies of freshwater are needed because body water is continually being lost.
D
Constant supplies of freshwater are not actually necessary for survival.
8

Which of the following is a negative consequence of scientific advancements on society?

A
increased life expectancy
B
increased pollution
C
new energy resources
D
all of the above
9

The ozone layer is located in the _______.

A
troposphere
B
stratosphere
C
mesosphere
D
thermosphere
10

An understanding of how human activity affects the environment is important for environmental policy makers.

A
T
B
F
11

The ozone layer helps sustain life by absorbing a large amount of incoming UV radiation.

A
T
B
F
12

Which of the following is true about glass recycling?

A
Recycling glass reduces the rate of deforestation.
B
Recycling glass eliminates greenhouse gas emissions.
C
Recycling glass is an energy-saving practice.
D
Recycling glass has an incredibly short turn around time.
13

The sustainable use of rainforest resources is exemplified by _______.

A
lumber harvesting
B
ranching
C
harvesting nuts
D
none of the above
14

Which of the following stages of urban development contributed to an increase in suburban living?

A
preindustrial
B
industrial
C
pedestrian
D
automobiles
15

It is best to say that restoring and protecting estuaries and wetlands _______.

A
helps prevent pollution in coastal waterways
B
results in higher juvenile fish mortality
C
improves the health of coastal ecosystems
D
has no impact on fish populations
16

Water conservation efforts have been wholly ineffective.

A
T
B
F
17

Human use of groundwater has _______ over time.

A
increased
B
decreased
C
decreased and then increased
D
remained the same
18

The high productivity of American agriculture is exemplified by _______.

A
low crop yields per farm worker
B
high crop yields per farm worker
C
the small cultivated area per inhabitant
D
the small cultivated area per farmer
19

After the energy crisis of the 1970’s and the OPEC oil embargo, the US _______.

A
increased its dependency on foreign oil
B
began to wean itself off of foreign oil and the economic vulnerability it brings
C
changed over to all renewable energy sources
D
began building new nuclear power plants to replace fossil fuel use
20

Which of the following is not a way that oil production could potentially affect aquatic viability?

A
marine oil spills during transportation
B
offshore oil drilling
C
interruption of water flow
D
contamination from waste products

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