Question

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

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.

A colder air mass moves into the area and rises.

Answer 1

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

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

When a colder air mass moves in and rises, it can cool, leading to condensation of moisture in the air and the formation of clouds.