[Answer] About what fraction of Earth's atmosphere is CO2?

Answer: less then .01%

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About what fraction of Earth's atmosphere is CO2? CO2 Makes Up Just 0.04% of Earth's Atmosphere. Here's Why ... Carbon dioxide in Earth's atmosphere - Wikipedia You Asked: If CO2 Is Only 0.04% of the Atmosphere How ... You Asked: If CO2 Is Only 0.04% of the Atmosphere How ... Atmospheric carbon dioxide plays an integral role in the Earth's carbon cycle whereby carbon dioxide is removed from the atmosphere by some natural processes such as photosynthesis and deposition of carbonates to form limestones for example and added back to the atmosphere by other natural processes such as respirationand the acid dissolution of carbonate deposits. There are two broad carbon cycles on Earth: the fast carbon cycle and the slow carbon cycle. The fast carbon cycle refers to move… Tue Jul 30 2019 · CO2 makes up only about 0.0004 of the atmosphere and water vapor can vary from 0 to 4%. But while water vapor is the dominant greenhouse gas in our atmosphere it has “windows” that allow some of the infrared energy to escape without being absorbed. Tue Jul 29 2014 · Naturally occurring Carbon Dioxide (CO2) is around 388 ppm Anthropogenic Carbon Dioxide (CO2) is only around 12 ppm (that’s about 1 x 83 000th of the atmosphere)– and yet it still seems to be widely believed that this microscopic amount of gas has dominated the … Mon Jul 24 2006 · The ne...

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