Human Impact on the Environment Answers

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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
2
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Which is a renewable resource?

A
petroleum
B
wood
C
iron
D
coal
3

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.
4

Which describes the greenhouse effect?

A
an artificial process
B
a dangerous process
C
a natural process
D
a new process
5

Which water source may become polluted as it travels over land?

A
ponds
B
groundwater
C
oceans
D
runoff
6

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
7

Which is a nonrenewable resource?

A
soil
B
fish
C
wood
D
coal
8

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.
9

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
10

Which is a sustainable practice?

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

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