Which statement about greenhouse gas emissions is supported by the pie chart?
22 percent✔ 44 percent58 percent
✔ the United States China the European Union
Japan and the Russian Federation✔ India and the Russian FederationJapan and India

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.
secondary✔ primaryessential
✔ SecondaryPrimaryEssential
✔ Animals and cropsChildren and older peoplePeople with asthma or diabetes
Based on the pie charts, how do global greenhouse gas emissions differ from US greenhouse gas emissions?
Which statement about greenhouse gas emissions by economic sector is supported by the pie chart?
Based on the pie charts, how do the percentages of global greenhouse gas emissions by sector differ from US greenhouse gas emissions?
Which statement about US greenhouse gas emissions is supported by the bar graph?
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.
One purpose of the Clean Air Act is to
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