AnswersGA-GSE Earth Systems BHuman Impact on Resources ESS4.1/4.2

Air Resources ESS4.1 Answers

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1
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Why was 1990 an important year regarding air quality?

A
The United States took first steps to keep the air clean.
B
The United States created the Environmental Protection Agency.
C
Modifications and improvements were made to the Clean Air Act.
D
Funding was established under the Clean Air Act to study air pollution.
2
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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
3

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.
4

Study the graph about the negative effects of indoor air pollution.

Question illustration
A
People have a lower risk of dying from COPD when compared to acute lower respiratory infections.
B
The health risk is the highest for getting lung cancer when people are exposed to indoor air pollution.
C
Most people will die from the negative health effects associated with stroke as indoor dirty air builds up.
D
The risk of developing acute lower respiratory infection and ischemic heart disease is the same when exposed to indoor air pollution.
5

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
6

Which sphere is the atmosphere interacting with when winds are produced over oceans?

A
asthenosphere
B
biosphere
C
hydrosphere
D
lithosphere
7

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.
8

Study the image of a plant.

Question illustration
A
oxygen
B
nitrogen
C
water vapor
D
carbon dioxide
9

A community takes action to reduce chemical release at an industrial plant located near a town.Why is it important for the community to take action?

A
to limit the potential threat of a buildup from pollutants that affect outside air
B
to reduce the number of premature deaths associated with ultrafine particle exposure
C
to highlight the impact of indoor air pollution exposure on people that reside in the town
D
to address the negative effects of skin cancer that are associated with this chemical release
10

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

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