Question

i)
Which of the following is a threat to the residents of Delhi ?
1. Zero ground water level
2. Lack of potable water
3. Lack of the treatment of sewage
4. Yamuna is over-polluted
5. Open untreated water
6. Water borne diseases
(a) 1, 3 and 5
(b) 3 and 4
(c) 1, 2 and 6
(d) 3, 5 and 4​

Answer 1

Answer:  I think the answer is option d.

(i hope this helps :) )

Answer 2

Answer:

d

Explanation:

hope it helps u

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