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According to scientific data on climate change, what levels have risen by 30% over the past 200 years?

a. ozone b. argon c. carbon dioxide d. krypton

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According to scientific data on climate change, what levels have risen by 30% over the past 200 years?

a. ozone
b. argon
c. carbon dioxide
d. krypton

Answer

Due to human consumption of fossil fuels and the greenhouse effect and methane emissions from natural sources over the last 200 years the levels of CO2 in the atmosphere have risen considerably.

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Virtual Teaching Assistant: Heather L.
Question Level: Basic
Karma: Free
Upload Date: 5/31/2017

This 27 words question was answered by Heather L. on StudySoup on 5/31/2017. The question contains content related to Chemistry and Science. Since its upload, it has received 108 views.

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