Question

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

O gravity
O heat
O composition
Omoon

Answer 1

The earth's gravity is responsible for retaining our atmosphere.

Step-by-step explanation:

The earth's gravity is what allows it to retain our atmosphere. The gravitational force of the earth pulls the gases in the atmosphere towards it, keeping them close to the planet's surface.

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