what is the air we breathe in made o?Advertisement
What Gases Make Up the Air We Breath?. Earth's atmosphere is made up of a layer of gas. It is held in place by gravity, preventing it from flying away into space. The Earth's atmosphere protects life by absorbing UV radiation, holding in heat to warm earth's surface and reducing temperature ... - read more
The trees and grass are made of carbon, oxygen, hydrogen, and nitrogen, with oxygen accounting for about half of a plant's weight. The rocks ... (Air We Breathe) The image on the left is from one of the dust storms that hit Mesa and Phoenix. - read more
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