AnswersFA Vandergrift Environmental Science 2026-27Effects of Technology

Topic Test Answers

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21
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Which of the following large-scale environmental catastrophes has the least effect on aquatic ecosystems?

A
oil spills
B
deforestation
C
global warming
D
pollution
22
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The use of _______ is expected to increase in the future.

A
coal
B
natural gas
C
renewable energy
D
all of the above
23

Pesticides are only found in rural watersheds associated with farming and agriculture.

A
T
B
F
24

Which of the following best explains how human activities can directly contribute to landslides?

A
Removing plants from hillsides eliminates the root structures that anchor soil.
B
Clearing trees from hills increases the frequency of rainstorms.
C
Human activities tend to reduce the risk of fires.
D
Landslides are not impacted by human activities.
25

Renewable energy sources account for the majority of energy production.

A
T
B
F
26

Which of the following best explains how a hurricane can increase an area’s susceptibility to future storms?

A
Storm surges cause massive damage to buildings along coastlines.
B
Hurricanes often flood coastal communities.
C
Hurricane strength winds cause large amounts of property damage.
D
Erosion caused by hurricanes can leave coasts more exposed to storms.
27

How does the use of hydroelectric energy compare to the use of coal?

A
Hydroelectric energy is more commonly used than coal.
B
Hydroelectric energy is associated with less waste production than coal.
C
Hydroelectric energy has a larger environmental impact than coal use.
D
Hydroelectric energy requires more land space than coal use.
28

Wind farms do not contribute to air pollution through carbon dioxide emissions.

A
T
B
F
29

Nuclear energy use can negatively impact water quality.

A
T
B
F
30

Which of the following human activities can increase the risks of flooding?

A
clearing land for farming
B
planting trees
C
soil management
D
widening rivers
31

Which of the following is not being undertaken to reduce the risks to human health from pesticides?

A
only promote pesticide use in rural environments
B
protect workers exposed to pesticides occupationally
C
regulate the safe use of pesticides
D
reduce the concentration of pesticides found in watersheds
32

Why are carbon dioxide concentrations expected to increase?

A
Carbon dioxide concentrations are expected to increase, because fossil fuel burning is expected to increase.
B
Carbon dioxide concentrations are expected to increase, because of an increase in agriculture.
C
Carbon dioxide concentrations are expected to increase, because more land will have to be cleared for increasing populations and agricultural use.
D
All of the above
33

Decreasing the use of pesticides and herbicides can help agricultural sustainability.

A
T
B
F
34

Which of the following is not an environmental impact of resource extraction?

A
loss of soil
B
increased resource supply
C
water contamination
D
loss of vegetation
35

Sedimentation increases with an increase in land used for agriculture.

A
T
B
F
36

Which of the following is not an impact associated with the use of hydroelectric energy?

A
release of contaminants
B
interruption of natural water flow
C
increase of riverbed erosion
D
disruption of aquatic wildlife
37

Wetlands and estuaries are critical ecosystems, but do not require protection.

A
T
B
F
38

How do conservation tillage practices lead to agricultural sustainability?

A
Conservation tillage practices reduce the amount of water required to grow crops.
B
Conservation tillage practices help reduce soil erosion and maintain soil nutrient levels.
C
Conservation tillage practices naturally protect crops from insect damage, reducing the need for pesticides.
D
Conservation tillage practices reduce the amount of energy needed to produce crops.
39

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
40

Environmental risks arise from all of the following except _______.

A
pesticides
B
pollution
C
industrial chemicals
D
groundwater

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