Which is most likely to cause clouds to form in a previously clear sky?(1 point)

Question

Responses

A colder air mass moves into the area and rises.
A colder air mass moves into the area and rises.

A warmer air mass moves into the area and rises.
A warmer air mass moves into the area and rises.

An air mass sinks and becomes colder.
An air mass sinks and becomes colder.

An air mass sinks and becomes warmer.
An air mass sinks and becomes warmer.

Answer 1

The most likely cause for clouds to form in a previously clear sky is:

A warmer air mass moves into the area and rises.

When a warmer air mass rises, it cools as it ascends, and if it cools enough, the moisture in the air can condense to form clouds.