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Q: Why the Earth is having its own atmosphere?
  • A. Winds
  • B. Clouds
  • C. Gravity
  • D. Rotation of the Earth
Correct Answer: Option C - Atmosphere contains particles and gases which do not escape to outer space because they are bounded by the force known as gravity. The Earth's gravity comes from all its mass. All its mass make a combined gravitational pull on all the masses in your body, that's what gives you weight. And if you were on a planet with less mass than earth, you would weight less than you do here.
C. Atmosphere contains particles and gases which do not escape to outer space because they are bounded by the force known as gravity. The Earth's gravity comes from all its mass. All its mass make a combined gravitational pull on all the masses in your body, that's what gives you weight. And if you were on a planet with less mass than earth, you would weight less than you do here.

Explanations:

Atmosphere contains particles and gases which do not escape to outer space because they are bounded by the force known as gravity. The Earth's gravity comes from all its mass. All its mass make a combined gravitational pull on all the masses in your body, that's what gives you weight. And if you were on a planet with less mass than earth, you would weight less than you do here.