Question

Why clouds are not falling down? I want to know whether gravitation work in the sky or not.
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Answer 1

Explanation:

Water is not lighter than air - water does not float. So why don't clouds fall out of the sky? ... The reason is that as drops fall through the air, the air pushes back on them. Because small drops have less mass and more surface area than large drops, they have a harder time pushing the air out of the way.