The mississippi river begins at lake itasca in minnesota. true false user: what was the leading crop raised in the south at the time of the civil war? --tobacco --cotton --sugar --rice --wheat

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.