Cumulative Exam — Cumulative exam Answers

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21
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What term refers to the practice of renewing destroyed ecosystems?

A
erosion
B
terrace farming
C
habitat restoration
D
tree belting
22
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Which statement provides the best argument in favor of deforestation?

A
Deforestation prevents erosion of farmland.
B
Deforestation prevents air and water pollution.
C
Deforestation does not affect climate around the globe.
D
Deforestation opens up land for mining and cattle ranching.
23

What is one way to make a positive impact on air quality to reduce air pollution?

A
moving to a large city
B
using public transportation
C
planting crops in terraces
D
releasing gases into the air
24

Where is groundwater found?

A
in lakes and rivers
B
below Earth’s surface
C
on ice sheets at the poles
D
at the mouths of rivers and streams
25

What is one way people positively affect water resources?

A
polluting from nonpoint sources
B
increasing farming and construction
C
disposing of chemicals in water
D
limiting use of acid and other pollutants
26

Where is most of Earth’s fresh water found?

A
in the ground
B
near the poles
C
in lakes and streams
D
in the air as water vapor
27

Which word identifies a large natural or human-made lake used to supply water?

A
marsh
B
pond
C
reservoir
D
wetland
28

What is the most effective way to protect dry lands from desertification?

A
terrace farming
B
mine digging
C
planting a tree belt
D
constructing a dam
29

Which type of wetland is most likely found in warm, forested areas?

A
bogs
B
swamps
C
salt marshes
D
inland marshes
30

Which statement provides the best argument against making major changes to the atmosphere to help protect Earth’s resources?

A
There will be less soil and dust in the air as construction increases.
B
The atmosphere will improve as more people move to large cities.
C
Making major changes to the atmosphere can be a costly process.
D
It is more important to protect land and water resources than the atmosphere.
31

Which challenge arises from trying to protect the environment?

A
high clean-energy startup costs
B
less access to clean water
C
lower taxes for citizens
D
more land available for farming
32

Which is a nonpoint source of pollution?

A
Tourists throw trash into the ocean.
B
A car mechanic pours oil on the ground.
C
Rain contains chemicals that seep into the ground.
D
A pipe dumps waste from a factory into a stream.
33

What process leads to deforestation and increased erosion?

A
mining
B
reforestation
C
desertification
D
urbanization
34

Which is an important question to consider when creating an environmental policy?

A
How can it reduce the need for green spaces?
B
How can it help to increase human impact on resources?
C
Is the benefit worth the cost?
D
How will it reduce tourist activity?
35

Which correctly lists three main causes of deforestation?

A
air pollution, mining, logging
B
mining, cattle ranching, logging
C
cattle ranching, water pollution, air pollution
D
water pollution, logging, mining
36

Which is a negative effect of deforestation on the environment?

A
habitat restoration
B
desertification
C
soil production
D
urbanization

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