M Prep | MCAT 2015 Question of the Day - Prep, Practice Questions, and More!

Q:	As water evaporates from a surface, the surface cools. This is because:

A

water is always at a lower temperature than the surface.

B

the water absorbs energy from the surface for its ΔH_vaporization as it evaporates.

C

the presence of water vapor in the air keeps surfaces cool.

D

the concentration of various contaminants increases, increasing the boiling point of the water and requiring more energy from the surface to evaporate.

Q:

A

B

C

D