How is humidity related to air pressure?

A.
Humid air has higher pressure because of the heaviness of water.

B.
Humid air is lighter, so it has lower pressure.

C.
Air pressure is lower below sea level because of the humidity.

D.
Humidity and air pressure are not related.

Question

How is humidity related to air pressure?	
 
 A.
Humid air has higher pressure because of the heaviness of water.
 
 B.
Humid air is lighter, so it has lower pressure.
 
 C.
Air pressure is lower below sea level because of the humidity.
 
 D.
Humidity and air pressure are not related.

nurali · Answer

i think Humid air is lighter, so it has lower pressure.