Because smokeless tobacco contains nicotine, you can become addicted, just as you can with cigarettes. The levels of nicotine circulating in the bloodstream are about the same for people who smoke cigarettes and those who use chewing tobacco.
Because it still contains nicotine which is what makes a cigarette or other product of that nature additive.
Answer:
A, because it generates speech
Explanation:
smooth lining of tunica inetrna
A
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