Answer:
The correct option here is the first one.
Explanation:
Precipitation or humidity present in air or we can say the most air tends to rise above. And becomes colder and colder such that after a certain limit. While the air can no longer take the weight of this water present in air bus resulting in condensation of water.
The pressure of colder air from below is necessary for cooler pushing it above, only this pressure by air can lead to formation of Clouds.