____ holds a planet's atmosphere close to its surface.
A) Radiation
B) Gravity
C) Cloud cover
D) Moisture
E) Pressure

Name: ____ holds a planet's atmosphere close to its surface. A) Radiation B) Gravity C) Cloud cover D) Moisture E) Pressure
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Question

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Gravity is the force that holds a planet's atmosphere close to its surface. The gravitational pull of the planet keeps the gases and other components of the atmosphere from floating away into space.

____ Holds a Planet's Atmosphere Close to Its Surface