Physics WAEC

Water in an open container boils at a lower temperature when heated at the top of a mountain than at sea-level because at the top of a mountain the?

A. relative humidity is higher than at sea-level
B. rays of the sun add more heat to the water
C. temperature is lower than that at sea-level
D. pressure is lower than that at sea-level
E. pressure is more than that at sea-level

Correct Answer:

Option D – pressure is lower than that at sea-level

Explanation

Refer to Elementary physics, pressure reduces with height.

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