Which process would lower the relative humidity of a parcel of air?
A) The air moves over a lake where water is evaporating.
B) The air is heated, and no water enters or leaves the system.
C) The air cools, and no water enters or leaves.
D) Dust blows into the air, but no other changes occur.

Question

Quizplus · Accepted Answer

Heating the air increases its capacity to hold moisture without adding more water vapor, which lowers the relative humidity.

Which Process Would Lower the Relative Humidity of a Parcel