| (i) Respiration |
| (ii) Combustion |
| (iii) Buring |
A) Only (i) and (ii)
B) Only (ii) and (iii)
C) Only (i) and (iii)
D) (i), (ii) and (iii)
Correct Answer: D
Solution :
Air is essential for respiration, combustion and burning.
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