Rainwater harvesting involves
A. collection of rain as it falls.
B. storing it in an underground tank.
C. using chemicals to treat the water.
D. feeding the water directly into the pipes of the house.

(a) A and C
(b) A and B
(c) C and D
(d) B and D

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Solution

(b) A and B

Rainwater harvesting is a simple and economical way of preserving rainwater that falls on earth. It involves collection and storage of rainwater in an underground tank.

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Question 10

Catch water where it falls' is the basic idea behind

(a) recycling of water
(b) making dams to store water
(c) rainwater harvesting
(d) condensation of water vapour

Rainwater harvesting is a technique of collection and storage of rainwater.

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