Inside rural homes, the source/sources of Nitrogen Oxide Pollution may be:

(a) Unvented gas stoves

(b) Wood stoves

(c) Kerosene heaters

Choose the correct code:

(A) (a) and (b) only (B) (b) and (c) only

(C) (b) only (D) (a), (b) and (c)

1 Answer

Answer :

Answer: D

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