AnswersSC332 Environmental Science BHuman Impact on the Environment

Human Impact on the Environment Answers

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1
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Why are invasive species dangerous to the environment?

A
They pollute the environment.
B
They are all voracious predators.
C
They threaten biodiversity.
D
They are nonrenewable.
2
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Which is a consequence of global warming?

A
cooling oceans
B
growing glaciers
C
less frequent hurricanes
D
rising sea levels
3

A factory is emitting large amounts of CFCs into the atmosphere. How might this affect people?

A
increase in the rate of malaria breakouts
B
increase in the level of ocean water
C
increase in the rate of skin cancer
D
increase in the frequency of violent storms
4

Which is a sustainable practice?

A
operating wind farms
B
clear cutting
C
flood irrigation
D
overfishing
5

Which of the following substitutions can help reduce air pollution?

A
using a bike instead of a car
B
using dumps instead of landfills
C
using coal instead of oil
D
using fireplaces instead of a wind farms
6

As the human population grows, what happens to our natural-resource requirements?

A
They increase.
B
They decrease.
C
They do not change.
D
They go in cycles.
7

Which results from an increase in the greenhouse effect?

A
continental shifts
B
wildfires
C
volcanic eruptions
D
global warming
8

What are sustainable use practices?

A
any materials that exist in nature and that are used by humans
B
the managed consumption of natural resources to prevent their depletion or environmental destruction
C
the deployment of fossil fuels to environments that previously did not have access to such resources
D
ways in which individuals are able to conserve native animal and plant species
9

Which gases contribute to the greenhouse effect?

A
nitrogen and helium
B
carbon dioxide and methane
C
carbon dioxide and helium
D
nitrogen and methane
10

Which type of pollution includes CFCs and smog?

A
land
B
air
C
water
D
volcanic

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