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Water in an open container boils at a lower temperature when heated at the top of a ...

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
  • B Rays of the sun adds 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
Explanation:
Refer to Elementary physics, pressure reduces with height.

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