Question

why do clouds became cool​

Answer 1

As warm air rises quickly than cold air. So when the vapours goes into the air they expand and begin to cool down due to the surrounding air and forms clouds. As the temperature on higher altitude is lower so eventually the clouds cool down.

Answer 2

Answer:

We know the following: Clouds cool the Earth by reflecting incoming sunlight. The tiny drops or ice particles in clouds scatter between 20 and 90 percent of the sunlight that strikes them, giving them their bright, white appearance. From space, clouds look bright whereas large bodies of water look dark.