Meteors & rock fragments burn up in which of the following layer?
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Stratosphere
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Thermosphere
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Mesosphere
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None of these
C
Correct answer
Explanation
Most meteors burn up in the mesosphere (50-85 km altitude) due to atmospheric friction. This layer is dense enough to cause significant heating and disintegration of incoming rock fragments, but not as dense as lower layers. The stratosphere is too thin and high for most meteor burning.