Question

the atmosphere is held to the earth by​

Answer 1

Our atmosphere is a mixture of gases that surround Earth. It is kept in place by the pull of Earth's gravity.

Answer 2

Answer:

Earth's gravity

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.