According to the mantle plume model, hot-spot plumes a. are thought to originate at the crust-mantle boundary. b. stream upward quickly because their hot rock is less dense than the overlying rock. c.

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asked Mar 26, 2022 159k views

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According to the mantle plume model, hot-spot plumes a. are thought to originate at the crust-mantle boundary. b. stream upward quickly because their hot rock is less dense than the overlying rock. c. partially melt the base of the overlying lithosphere, and the magma that is formed rises toward the surface. d. produce volcanoes that always coincide with a plate boundary.