How does rain form ?

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Rain is one type of liquid precipitation and is the result of water vapour condensing and precipitating.

To become rain, the water condensed in the clouds must be heavy enough to fall to Earth.

For this to occur, the tiny droplets need to grow into drops by acquiring more water and becoming larger.

Some droplets collide with others in order to become larger whilst others will grow as water condenses out the air into the droplet.

When these drops become too heavy to stay in the cloud, we get rain.

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