Question

At high altitudes, the boiling point of water gets lowered because ______. 

Options

• temperature is low

• atmospheric pressure is low

• atmospheric pressure is high

• none of these

Answer 1

At high altitudes, the boiling point of water gets lowered because atmospheric pressure is low. 

Explanation:

The temperature at which a liquid's vapour pressure equals atmospheric pressure is known as the boiling point of the substance. Water boils at a lower temperature at high altitudes because of the low atmospheric pressure.