Question

justify the statement: Atmosphere of the Earth is held together by gravitational force '​

Answer 1

hi,
Our atmosphere is a mixture of gases that surround Earth. It is kept in place by the pull of Earth's gravity. If Earth was a much smaller planet, like Mercury or Pluto, its gravity would be to weak to hold a large atmosphere

Gravity. Fortunately for us, Earth's gravity is strong enough to hold onto its atmosphere. Mars, for example, is less than half Earth's size and around one-tenth Earth's mass. Less mass means less gravitational pull.

Answer 2

Explanation:

various atom of gases present in the earth atmosphere has masses and a gravitational force acts between theses atoms and earth.

also this is the force which holds the various gases near the surface and atmosphere is present.