Air Resources Answers

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1
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Which accurately describes one impact of the atmosphere on Earth’s cycles?

A
produces wind currents
B
changes nitrogen into carbon dioxide
C
transfers carbon from plants to animals
D
moves oxygen from volcanic eruptions for plants to use
2
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Which factor is a major contributor to outdoor air pollution?

A
radon
B
fossil fuels
C
ultrafine particles
D
carbon monoxide
3

What was the order of steps taken by the United States to clean the air?

A
enact the Clean Air Act, establish funding to study how to clean the air, create the EPA, and find cost-effective ways to keep the air clean
B
establish funding to study how to clean the air, enact the Clean Air Act, create the EPA, and find cost-effective ways to keep the air clean
C
find cost-effective ways to keep the air clean, establish funding to study how to clean the air, create the EPA, and enact the Clean Air Act
D
create the EPA, enact the Clean Air Act, find cost-effective ways to keep the air clean, and establish funding to study how to clean the air
4

What is the most effective approach the government can take to keep the air clean?

A
create and enforce regulations that limit fossil fuel burning by industries
B
use funds to understand why smoke and mold are causes of outdoor air pollutants
C
educate people about the threats to outdoor clean air from visible forms of air pollution
D
modify regulations under the Clean Air Act by including expensive options to reduce air pollution
5

What are one of the ways the atmosphere recycle gases through interactions with the biosphere ?

A
Through the usage of nitrogen and release oxygen into the atmosphere from plants.
B
Though the process photosynthesis
C
Through available sunlight and release oxygen into the atmosphere.
D
The mineral content in the ground that plants rely on and release carbon dioxide into the atmosphere.
6

What happens when the atmosphere interacts with the biosphere?

A
Winds are produced.
B
Groundwater supplies are replenished.
C
Carbon dioxide is cycled during plant respiration.
D
Volcano eruptions influence the cycling of nitrogen.
9

What was the main reason for creating the EPA?

A
enforce the Clean Air Act
B
create new laws to keep the air clean
C
provide funding for air pollution studies
D
study the negative effects of polluted air
10

Which role do ultrafine particles play in dirty air?

A
They contribute to less than 13,000 premature deaths a year.
B
They can worsen symptoms for people with breathing difficulties.
C
They are easily removed from the air when people see them floating.
D
They are constantly filtered by the nose, which prevents lung absorption.

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Air Resources Answers — HS Earth and Space…