AnswersHS Earth and Space Science Sem. 1Human Impact on Resources ESS4.1/4.2

Human Impact on Resources Answers

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1
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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.
2
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How has the EPA improved air quality over the last 30 years?

A
by monitoring pollutants and passing regulations to reduce air pollution
B
by decreasing soil erosion and dust storms
C
by building marine refuges to help protect marine life and reduce air pollution
D
by decreasing of fossil fuel use in motor vehicles and industry
3

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
4

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
5

What term refers to the practice of renewing destroyed ecosystems?

A
erosion
B
terrace farming
C
habitat restoration
D
tree belting
6

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.
7

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
8

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.
9

Which term refers to the process by which land is worn away by natural forces or human activity?

A
erosion
B
desertification
C
urbanization
D
deforestation
10

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
11

Which is a negative effect of deforestation on the environment?

A
habitat restoration
B
desertification
C
soil production
D
urbanization
12

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?
13

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.
14

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

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