Question

On rising, it cools and forms large clouds

Answer 1

Answer:

Water Vapour formed during evaporation

Answer 2

Answer:

Water Vapour

Explanation:

Water vapor consists of the molecules of water in the space above water & in the atmosphere as humidity. Water vapor is produced at any temperature below boiling point & it is the water that forms tiny droplets of condensation which can be seen as mist & dew on a cold morning & in winter.

Water vapor is refer as the gaseous form of water.  In other words, after the water evaporates, it turns into water vapor.  If you boil water, the steam you see is water vapor.