Question

9. Wise utilization of resource is a concept of
(a) preservation
(b) conservation
(c) Both (a) and (b)
(d) None of the above
10. Ozone layer of atmosphere is depleted hy​

Answer 1

Answer:

i think c both preservation n conservation..

Answer 2

Answer:

9.(c) Both (a) and (b)

10.carbon monoxide

Explanation:

hope it's helpful