Tamil Nadu Board of Secondary EducationTamil Nadu Primary School Class 4th
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What is rain water harvesting? List out the advantages of rain water harvesting. - Science

Answer in Brief

What is rain water harvesting? List out the advantages of rain water harvesting.

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Solution

‘Rainwater harvesting’ is the process of collecting and storing rainwater for future use. Rainwater can be collected in natural reservoirs or artificial tanks. Roof top harvesting is also a type of rainwater harvesting. The rainwater on the top of the building is collected and passed into the ground through pipes.

Water passing through the pipes enters the pit which consists of gravels and Coarse sand. As it passes impurities are filtered and stored as ground water.

Advantages of rain water harvesting:

  • It increases the ground water level
  • It can be used for agriculture
  • It increases the availability of water for living things.
Concept: Importance of Water Cycle
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APPEARS IN

Samacheer Kalvi Science Term 2 - Class 4th Tamil Nadu State Board
Chapter 2 Water
Evaluation | Q V. 2. | Page 76
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