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Q: Which is the warmest layer of the atmosphere?
  • A. Thermosphere
  • B. Troposhere
  • C. Stratosphere
  • D. Mesosphere
Correct Answer: Option A - Thermosphere is the warmest layer of atmosphere. It extends from 85 km to 500 km above earth surface. It is categorized into (1) Ionosphere (2) Exosphere. The Ionosphere consists of ions and reflects electromagnetic waves back to the earth.
A. Thermosphere is the warmest layer of atmosphere. It extends from 85 km to 500 km above earth surface. It is categorized into (1) Ionosphere (2) Exosphere. The Ionosphere consists of ions and reflects electromagnetic waves back to the earth.

Explanations:

Thermosphere is the warmest layer of atmosphere. It extends from 85 km to 500 km above earth surface. It is categorized into (1) Ionosphere (2) Exosphere. The Ionosphere consists of ions and reflects electromagnetic waves back to the earth.