AnswersVCIS CIVICS OL CREDIT 4Americans and Their Environment

Americans and Their Environment Answers

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Which statement about greenhouse gas emissions is supported by the pie chart?

A
More carbon dioxide is emitted in the United States than any other greenhouse gas.
B
Nitrous oxide accounts for 10 percent of US greenhouse gas emissions.
C
Methane and nitrous oxide are the two gases emitted the most in the United States.
D
Fluorinated gases account for 82 percent of US greenhouse gas emissions.
2
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22 percent✔ 44 percent58 percent

Answer not available
3

✔ the United States China the European Union

Answer not available
4

Japan and the Russian Federation✔ India and the Russian FederationJapan and India

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Answer not available
5

Based on the pie charts, how do global greenhouse gas emissions differ from US greenhouse gas emissions?

A
The world emits more carbon dioxide and less methane than the United States.
B
The world emits less combined nitrous oxide and fluorinated gases than the United States.
C
The world emits less carbon dioxide and more methane than the United States.
D
The world emits more fluorinated gases and methane than the United States.
6

Which statement about greenhouse gas emissions by economic sector is supported by the pie chart?

A
Industry emits more greenhouse gas than transportation and agriculture combined.
B
Agriculture and buildings combined emit more than half of the greenhouse gas in the US.
C
Electricity emits more greenhouse gas than transportation and industry combined.
D
Transportation and electricity together account for more than half of greenhouse gas emissions.
7

Based on the pie charts, how do the percentages of global greenhouse gas emissions by sector differ from US greenhouse gas emissions?

A
The world emits a larger percentage of greenhouse gas in the agriculture sector than the United States.
B
The world emits a larger percentage of greenhouse gas in the electricity sector than the United States.
C
The United States emits a larger percentage of greenhouse gas in the industry sector than the world.
D
The United States emits a larger percentage of greenhouse gas in the agriculture sector than the world.
8

Which statement about US greenhouse gas emissions is supported by the bar graph?

A
Emissions decreased every year between 2005 and 2014.
B
Emissions increased substantially between 2005 and 2014.
C
After peaking in 2007, emissions dropped every year through 2014.
D
After peaking in 2007, emissions went up and down through 2014.
9

was the biggest emitter of greenhouse gas in the world in 2011. The United States and China together totaled of global greenhouse gas emissions. India, Japan, and the Russian Federation together totaled the greenhouse gas emissions of . According to the pie chart, emit the same amount of greenhouse gas.

Answers:
Selection 1:China
Selection 2:44 percent
Selection 3:the United States
Selection 4:India and the Russian Federation
10

One purpose of the Clean Air Act is to

A
ensure clean air by regulating the emissions of pollutants.
B
set standards that make it easy for businesses to emit clean air.
C
guarantee that the air is free of hazardous pollutants.
D
force polluting countries to clean the air of hazardous emissions.
11

Primary air quality standards are designed to protect the health of . People with asthma can expect clean air under the standards in the Clean Air Act. air quality standards provide protection of public welfare. are covered under the act’s secondary air quality standards.

Answers:
Selection 1:children and older people
Selection 2:primary
Selection 3:Secondary
Selection 4:Animals and crops
12

secondary✔ primaryessential

Answer not available
13

✔ SecondaryPrimaryEssential

Answer not available
14

✔ Animals and cropsChildren and older peoplePeople with asthma or diabetes

Answer not available

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