AnswersTPS EdX BiologyHuman Impact on the Environment

Human Impact on the Environment — Quiz Answers

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1
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A factory is emitting large amounts of CFCs into the atmosphere. How might this affect people?

A
increase in the frequency of violent storms
B
increase in the level of ocean water
C
increase in the rate of malaria breakouts
D
increase in the rate of skin cancer
2
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Scientists predict that we will eventually use up all available fossil fuels. Which list includes only fossil fuels?

A
wood, natural gas, and coal
B
coal, oil, and solar
C
natural gas, coal, and oil
D
wood, natural gas, and solar
3

Which is a consequence of global warming?

A
less frequent hurricanes
B
growing glaciers
C
rising sea levels
D
cooling oceans
4

Which gases contribute to the greenhouse effect?

A
carbon dioxide and helium
B
carbon dioxide and methane
C
nitrogen and methane
D
nitrogen and helium
5

Which describes the greenhouse effect?

A
a new process
B
a natural process
C
an artificial process
D
a dangerous process
6

Which is a renewable resource?

A
petroleum
B
coal
C
wood
D
iron
7

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

A
They decrease.
B
They go in cycles.
C
They increase.
D
They do not change.
9

Which results from an increase in the greenhouse effect?

A
continental shifts
B
wildfires
C
volcanic eruptions
D
global warming
10

Why are invasive species dangerous to the environment?

A
They are nonrenewable.
B
They pollute the environment.
C
They are all voracious predators.
D
They threaten biodiversity.

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