Physics
WAEC 1989
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
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A.
relative humidity is higher than at sea-level
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B.
rays of the sun adds more heat to the water
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C.
temperature is lower than that at sea-level
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D.
pressure is lower than that at sea-level
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E.
pressure is more than that at sea-level
Correct Answer: Option D
Explanation
Refer to Elementary physics, pressure reduces with height.
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