Which is the warmest layer of the atmosphere?

Q. Which is the warmest layer of the atmosphere?
Answer: Thermosphere
Notes: The thermosphere is the hottest layer of the atmosphere. It extends from 80 kilometers above the surface of the Earth up to 600 kilometers and can heat up to 1,500 degrees Celsius because it’s very sensitive to solar activity. The air is thin and extremely hot, and there are sparse air molecules in this layer.

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