Question

how clouds are formed

Answer 1

Clouds form when the invisible water vapour in the air condenses into visible water droplets or ice crystals. There is water around us all the time in the form of tiny gas particles, also known as water vapour. There are also tiny particles floating around in the air - such as salt and dust - these are called aerosols.

Answer 2

the water on the surface get evaporated by the sunlight and rises up. this water vapours when goes to a large high, they forms clouds.