Question

How does rainfall occur

Answer 1

Rainfall occurs when the water vapor in atmosphere condenses into tiny water droplets. Due to some less known mechanisms involving vapor pressure and others, these water droplets starts colliding with each other. It takes approximately 8 million of water droplets to form raindrop...

Answer 2

rainfall occurs when the water vapour in atmosphere condenses into tiny water droplets. after the innumerable amount of Collisions , we get drops that are big enough to be pulled down by gravity . thats how those raindrops starts their journey towards earth surface