Puzzler #5. Woof, It’s Cold

If you have been to any hill-resort you must have noticed that it’s cooler up there, yet the Sun is fiercer on the skin (it’s easier to tan). Why is it cooler at higher altitudes than at the sea level, even though you are several thousand feet nearer the sun? Explain in paragraph format.

Concepts involved:

  • Heat, absorption, convection, air density.

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