When a meteor crosses the sky, and goes through Earth's atmosphere, the light given off is caused by O Friction
O Gravity
O Solar Winds
Erosion

The answer is friction

Explanation:

When these meteoroids encounter the Earth, they may enter the atmosphere a speeds up to 72 kilometers per second (45 miles per second). It is the tremendous friction that causes the meteor to produce light and to ultimately disintegrate before reaching the Earth's surface.

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