Question

Why are air masses that form over land are drier than those that
form over oceans?

Answer 1

Water evaporates from the oceans, so the air can become very humid. Continental air masses form over land. Continental air masses have less exposure to large amounts of moisture from bodies of water.

Step-by-step explanation:

Answer 2

Water evaporates from the oceans, so the air can become very humid. Land air masses form over land. Land air masses have less exposure to large amounts of moisture from water bodies. Therefore, land air masses are drier than ocean air masses.