Answer :

Water is one of the most important substances on earth.


All plants and animals must have water to survive.


If there was no water there would be no life on earth. Apart from drinking it to survive, people have many other uses for water.


● Fresh water is used by all living beings except marine organisms. They use sea water.


● Fresh can be obtained from three natural sources.


● Natural sources of fresh water are rain, surface water, and groundwater.


● The body of living beings is composed of water.


● Water is required for all the chemical reactions such as digestion, excretion in the body (metabolism), similarly plants need water for growth, photosynthesis, respiration and other metabolic reactions require water.


● Therefore, water is a valuable resource.


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