Question

Which of the following statements are true for the technique of rainwater harvesting? ​
(i) Rainwater is allowed to go directly into the ground from the roadside drains.
(ii) Rainwater from rooftop is collected in storage tanks.
(iii)The collected rainwater needs to be filtered as it might contain impurities.
(iv) This practice reduces the amount of groundwater available to us.

• A. (ii) and (iii) only
• B. (iii) and (iv) only
• C. (i) and (iv) only
• D. (i) and (ii) and (iii) only

Answer 1

The correct option is D (i) and (ii) and (iii) only