Question

What is
atmosphere? what
are the constuents of air.​

Answer 1

Answer:

1.An atmosphere is the layers of gases surrounding a planet or other celestial body. Earth's atmosphere is composed of about 78% nitrogen, 21% oxygen, and one percent other gases.

2.The constituent elements are primarily nitrogen and oxygen, with a small amount of argon.

Answer 2

$\huge \bold \pink{answer}$

atmosphere is a layer or a set of layers of gases surrounding a planet or other material body, that is held in place by the gravity of that body. An atmosphere is more likely to be retained if the gravity it is subject to is high and the temperature of the atmosphere is low.

Composition of air✅

Nitrogen — 78 percent. Oxygen — 21 percent. Argon — 0.93 percent. Carbon dioxide — 0.04 percent.