Question

Give two reasons why precipitation is called primary source of water on the earth ?

Answer 1

Water on the Earth's surface moves in an unceasing cycle through rivers, oceans, clouds and rain called the water or hydrological cycle. The heat from the sun causes evaporation of water from oceans and from lakes and wetlands on land.

Answer 2

Ans. The precipitation that falls to the Earth is a major part of the water cycle as it replenishes both surface and underground water sources.

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