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प्रश्न
What is rain water harvesting? List out the advantages of rain water harvesting.
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
Fill in the boxes given below with correct answers.
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Change of Status in water
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After few hours, take it out. What happened to the water?
State for the following whether it is due to evaporation or condensation:
Steam rising from a hot girdle when water is sprinkled on it.
Each day, we lose a little more than a cup of water when we ______.
Which of the following are not the liquid forms of water?
(i) Snow
(ii) Lake water
(iii) River water
(iv) Water vapour
(v) Ice
Choose the correct combination from the options below
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frog → eagle → insects → grass → snake
The chain is not in the correct order. Help her to write the food chain correctly.
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According to you, which process of the water cycle is adversely affected by human activities?
