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)
(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)