2. Why is water important?
3.
Describe the water cycle with the help of a
labelled diagram.
4.
Write a brief note on droughts and floods.
5. How is water polluted?
6.
How can we conserve water?
7. Explain rainwater harvesting with the help
of a diagram.
Answers
Answer:
water is important because it helps to live
2.without water we can't live.
3.the cycle of processes by which water circulates between the earth's oceans, atmosphere, and land, involving precipitation as rain and snow, drainage in streams and rivers, and return to the atmosphere by evaporation and transpiration.
4.
5.Water pollution happens when toxic substances enter water bodies such as lakes, rivers, oceans and so on, getting dissolved in them, lying suspended in the water or depositing on the bed.
6.(a)Check your toilet for leaks. ...
(b) Stop using your toilet as an ashtray or wastebasket. ...
(c) Put a plastic bottle in your toilet tank. ...
(d) Take shorter showers. ...
(e) Install water-saving shower heads or flow restrictors. ...
(f) Take baths. ...
(g) Turn off the water while brushing your teeth. ...
(h) Turn off the water while shaving.
7.Rainwater harvesting system, also called rainwater collection system or rainwater catchment system, technology that collects and stores rainwater for human use. Rainwater harvesting systems range from simple rain barrels to more elaborate structures with pumps, tanks, and purification systems.