Which of the following statements is true? Most evaporation happens at the earth's poles.
The total amount of water on the earth stays the same.
Water enters the atmosphere through condensation.
New water is created by the water cycle.

water enters the atmosphere by condensation, the heat evaporates the water in turn increases the humidity of the earth.

The total amount of water on the earth stays the same.

Explanation:

The water never leaves the Earth’s atmosphere, and there is no water coming into the Earth from space, so water always exists in the same amount. The reason water can’t leave the Earth’s atmosphere is good old gravity. For a significant amount of water vapor to escape our planet, it would need to be moving with the velocity of a rocket ship.

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