The correct answer is:
C. A warmer air mass moves into the area and rises.
When a warmer air mass moves into an area, it can rise. As it rises, it cools, and if it cools at a sufficient rate, the moisture in the air can condense to form clouds.
Which is most likely to cause clouds to form in a previously clear sky? Choose 1 correct answer.
A. An air mass sinks and becomes warmer.
B. An air mass sinks and becomes colder.
C. A warmer air mass moves into the area and rises.
D. A colder air mass moves into the area and rises.
1 answer