Which of the following statements is/are true regarding Rainwater harvesting?
(a) It conserves ground water.
(b) It reduces local flooding.
(c) It creates drainage problems.
(d) It can be used for irrigation of crops.
1
(a), (b), (d)
2
(b), (c), (d)
3
(a), (b), (c)
4
(a), (c), (d)