What are the main source of water on the Earth? Give examples.
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Solution
The main source of water on Earth are rainwater, surface water, and groundwater.
Rainwater- It is the primary source of water and is considered the purest form of water.
Surface water- Water is found on the earth's surface in the form of rivers, lakes, ponds, etc.
Groundwater- Rainwater and surface water seep through the soil below the ground and collect above the gravel and non-porous rocks deep under the soil. Example - wells, tube wells, etc.