Why aren't there many meteors in the troposphere

This is because most of them are burnt up as they go through the outermost layers of the earth's atmosphere releasing a trail of burning gas as they move through the atmospher (this is seen as a shooting star).

Explanation:

The troposphere is the lowest layer of Earth's atmosphere and site of all weather activities on Earth. The troposphere is bonded on the top by the stratosphere layer (they are both seperated by the stratospause) and on the bottom by the earth's surface. Once a meteor enters the earth's atmosphere, gravity accelerates it towards earth. As the meteor is accelerated, it experiences a huge amount of drag between its surface and the atmospheric gazes. Thia drag raises its surface temperature to above thousands of degree. This high surface temperature causes the meteor to burn up in the atmosphere. Most metoers are burnt up before they get to the troposphere layer.

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