Hydrological cycle 

Continuous water movement in the earth's atmosphere system is known as the hydrological cycle.

Water scarcity

It is the lack of freshwater resources to meet the standard water demand.


A dam is a barrier across flowing water that obstructs, directs, or retards the flow, often creating a reservoir, lake, or impoundment.

Multipurpose projects

It is a massive project that serves many purposes, including flood control, fish breeding, irrigation, electricity generation, soil conservation, and so on .

Aquatic Fauna

It refers to an animal that lives in water.

Aqua= Water, Fauna= Animals

Rainwater Harvesting 

It refers to the collection and storing of rainwater for future use.

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Davneet Singh's photo - Co-founder, Teachoo

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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.