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Which is a short-term effect of nicotine and tobacco use?
possible development of diabetes
dental problems and mouth cancer
stimulation of the brain's reward center
withdrawal effects due to nicotine addiction

Most of the volcanic activity that occurs in the ring of fire is a result of the a. formation of mantle plumes away from plate boundaries. b. subduction of one plate under another. c. movement of two plates away from each other. d. sliding of one plate past another.