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The answer is C. nicotine.
Tobacco is the carrier of nicotine. This stimulates the brain but also makes you dependent, which can eventually cause (life-long) addiction.
The answer is C. nicotine.
Tobacco is the carrier of nicotine. This stimulates the brain but also makes you dependent, which can eventually cause (life-long) addiction.
C. Nicotine. This substance found in tobacco and tobacco smoke stimulates the brain