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The cycle starts when water on the surface of the
Earth evaporates.
Evaporation means the sun heats the water which
turns into gas.
Then, water gets collected as water vapour in the
sky ,which turns into clouds.
Next, the water in the clouds gets cold and it
becomes heavy which changes into liquid
form again. This process is called condensation.
Then, the water falls from the sky in the form of
rain, snow , and hail. This is called precipitation.
The water sinks into the surface and also collects
into lakes, oceans, or aquifers. It evaporates again
and continues the cycle.