Which is the major substance present in smoke that causes physical dependence?
a) Methanol
b) Nicotine
c) Nethanol
d) Boro
Answers
Answered by
12
Answer:
NICOTINE
Explanation:
Nicotine is the drug in tobacco that causes addiction.
Answered by
3
Explanation:
nicotine is the major substance present in the smoke that causes physical dependence
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