Question

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

Answer 1

Explanation:

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.

Answer 2

ANSWER

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.