Question : Which among the following is the coldest of the atmospheric layers?
Option 1: Mesosphere
Option 2: Stratosphere
Option 3: Thermosphere
Option 4: Troposphere
Correct Answer: Mesosphere
Solution : The correct option is the Mesosphere.
The mesosphere lies between the thermosphere and the stratosphere. Meso means the middle. Its height ranges from 50 to 85 km. The top of the mesosphere is the coldest area of the Earth's atmosphere Temperatures in the mesosphere can drop as low as -90°C (-130°F) or even lower, depending on various factors such as altitude and location.
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