Everyday Science Medium fpsc ppsc nts

Which everyday process explains why water boils at a lower temperature at high altitudes such as on mountains?

  • A Lower atmospheric pressure
  • B Higher atmospheric pressure
  • C Increased oxygen levels
  • D Reduced gravity
Correct Answer: Option A — Lower atmospheric pressure
Explanation: At high altitudes atmospheric pressure is lower which reduces the boiling point of water meaning it boils at a temperature below 100 degrees Celsius found at sea level.
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