A) smoke produced by burning fuel which may have caused her a allergy
B) old age and pollution Inside and outside her hut
C) carbon monoxide produced by burning fuel which may have been deposited in her respiratory tract
D) soot produced by burning the fuel which may have been deposited in her respiratory tract
Correct Answer: D
Solution :
[d] Soot is black carbonaceous substance produced during incomplete combustion of coal, wood, oil etc it may cause respiratory tract problems, heart problem, asthama and bronchitic.You need to login to perform this action.
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