name and discuss any four methods by which rainwater harvesting is carried out
Answers
Answer:
Methods of rain water harvesting used in India are :
(a) Guls and Kuls : People built guls and kuls in hilly and mountainous regions to divert water. These are simple channels. They are mainly used in Western Himalayas.
(b) Roof top rain water harvesting : Commonly practised to store drinking water in Rajasthan.
(c) Inundation Channels : These channels developed in the flood plains of Bengal to irrigate fields.
(d) Khadins and Johads : In arid and semi-arid regions, some agricultural fields were converted into rain fed storage structures. These structures are found in Rajasthan.
Explanation:
hope it help you
please mark as Brainliest
ANSWER :
Different region of a cell can communicate with each other rapidly for the cell to function effectively.
Cells have a large surface area / volume ratio for Greater diffusion of substances in and out of the cell.