Question

The earth is just the right size to retain our atmosphere. our atmosphere is attracted by earth's ___.

heat

composition

gravity

moon

Answer 1

The correct answer is gravity.

Step-by-step explanation:

Answer 2

The correct answer is gravity.

The planets and other heavenly bodies are attracted towards the earth by the earth's gravity. The pull which is formed by the gravity of earth holds the objects near the earth surfaces. The planets and atmosphere is also kept around the earth's surface by the gravity.