AnswersFL-2001340-Environmental Science BHuman Impact on the Environment

Human Impact on the Environment Answers

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1
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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
2
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A new highly nutritious crop is going to be planted in an area where it has never been planted before. Which is the most likely outcome of such an event?

A
positive as it malnourishes the local population
B
positive as it changes local biodiversity
C
negative as it threatens local biodiversity
D
negative as it malnourishes the local population
3

Which describes the greenhouse effect?

A
an artificial process
B
a dangerous process
C
a natural process
D
a new process
4

Which is a sustainable practice?

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

Which is a consequence of global warming?

A
cooling oceans
B
growing glaciers
C
less frequent hurricanes
D
rising sea levels
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
8

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
natural gas, coal, and oil
C
wood, natural gas, and solar
D
coal, oil, and solar
9

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
10

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.

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