Question

define atmosphere
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Answer 1

Answer:

the mixture of gases that surrounds the earth or any other star, planet, etc.

Answer 2

ATMOSPHERE IS THE BLANKET OF AIR THAT SURROUNDS THE EARTH. IT IS PULLED CLOSELY BY THE EARTH'S GRAVITY.

THE ATMOSPHERE IS A MIXTURE OF VARIOUS PARTICLES. IT CONTAINS NITROGEN (78%),OXYGEN (21%) AND OTHER GASES SUCH AS ARGON, KRYPTON, NEON, ETC. IN ONLY 1%.