AnswersCMS 2026-2027 Biology CREDIT RECOVERYHuman Impact on the Environment

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1
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Which describes the greenhouse effect?

A
an artificial process
B
a new process
C
a natural process
D
a dangerous process
2
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Which results from an increase in the greenhouse effect?

A
global warming
B
volcanic eruptions
C
wildfires
D
continental shifts
4

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

A
They go in cycles.
B
They do not change.
C
They decrease.
D
They increase.
5

Which gases contribute to the greenhouse effect?

A
carbon dioxide and helium
B
nitrogen and methane
C
nitrogen and helium
D
carbon dioxide and methane
6

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 rate of malaria breakouts
C
increase in the level of ocean water
D
increase in the rate of skin cancer
7

Scientists predict that we will eventually use up all available fossil fuels. Which list includes only fossil fuels?

A
natural gas, coal, and oil
B
wood, natural gas, and solar
C
coal, oil, and solar
D
wood, natural gas, and coal
8

Why are invasive species dangerous to the environment?

A
They are all voracious predators.
B
They threaten biodiversity.
C
They are nonrenewable.
D
They pollute the environment.
9

Which is a consequence of global warming?

A
rising sea levels
B
growing glaciers
C
cooling oceans
D
less frequent hurricanes
10

Which is a renewable resource?

A
petroleum
B
iron
C
coal
D
wood

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