Question

what is atmosphere? and name it's constituents​

Answer 1

Answer:

Components. The earth's atmosphere is mostly nitrogen by volume; 78% to be exact. A further 21% of the atmosphere is the oxygen that we breathe, followed by 0.9% argon, and 0.04% carbon dioxide. The fact that there is so little carbon dioxide in the atmosphere shows you how powerful it is as a greenhouse gas.

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Answer 2

Atmosphere:-The mixture of gases that surrounds the earth or any other star, planet, etc.

Constituents:-The atmosphere of Earth is composed of nitrogen (about 78%), oxygen (about 21%), argon (about 0.9%), carbon dioxide (0.04%) and other gases in trace amounts.