Which of the following is correct ?

Options

A. At altitudes the pressure of air is low
B. At altitudes density of air is low
C. At altitudes cooking takes place slower
D. At altitudes water will boil at a temperature less than `100 ^(@)` C

Answer

C

Explanation

At altitude pressure of air is low density is low cooking takes place faster and water boils at a temperature less than `100^(@)` C.