Assertion (A) : The elevation increases, the amount of space between air particles increases causing less ability to transfer heat to the ground.
Reason (R) : The higher the elevation, the cooler the climate.

Options

A. If (A) and (R) are correct and (R) is the correct explanation of (A)
B. If (A) and (R) are correct but (R) is not the correct explanation of (A)
C. If (A) is true but (R) is false
D. If (A) is false but (R) is true

Answer

A