Question

what is atmosphere ?????​

Answer 1

$\huge\bf\pink{{\mid{\overline{\underline{Atmosphere}}}\mid}}$

An atmosphere is the layer of gases surrounding a planet. Many planets (and a number of moons) have atmospheres; some are thicker than Earth's (like Venus) and some are thinner (like Mars).

Atmospheric structure:-About 99% of the total atmospheric mass is concentrated in the first 20 miles (32 km) above Earth's surface.

Answer 2

Answer:

An atmosphere is a layer of gases surrounding a planet or other material body that is held in place by the gravity of that body.