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प्रश्न
What is rain water harvesting? List out the advantages of rain water harvesting.
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उत्तर
‘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.
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संबंधित प्रश्न
What are the different states in which water is found during the water cycle?
Why does the water split on the floor disappear after some time?
List out some other benefits of rain water harvesting.
The accumulated underground water comes out in the form of ______.
Water present in rivers, lakes, and ponds is unfit for use by human beings.
______ is the chemical formula of water.
In plants, the loss of water in the form of vapour from the aerial parts through ______.
Transpiration takes place in rivers and lakes.
The term “water-pollution” can be defined in several ways. Which of the following statements does not give the correct definition?
Biological oxidation is the method is used in ______.
