Can you describe the components that made up Earth's first atmosphere?
Air is the name given to atmosphere used in breathing and photosynthesis. Dry air contains roughly (by volume) 78.09% nitrogen, 20.95% oxygen, 0.93% argon, 0.039% carbon dioxide, and small amounts of other gases.
Answered by Paul O. -
About Carbon Dioxide
Carbon dioxide is a chemical compound composed of two oxygen atoms bonded to a single carbon atom. CO2 is increasing due to the burning of fossil fuels, leading to global warming. Carbon dioxide is often confused with carbon monoxide.
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