Te atmosphere is the later of gases that surround the Earth.

Apuntes

Te atmosphere is the later of gases that surround the Earth. Composition of the atmosphere: gases: -nitrogen 78% the most abundant gases - carbón dioxide 0,3% plants needs It to carry out photosysthesis and is released as a product of respiration. It also contributes in the Greenhouse efect - wáter vapor it is involved on the formation of clouds and precipitation - oxygen 2% most living things needs oxygen.