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Q: Why is the oceanic crust much younger than the continental crust? A. the ocean basins did not begin forming until after the breakup of Pangaea B. it is eroded away by ocean currents C. it
is constantly recycled through subduction processes D. it is only formed after a volcanic eruption somewhere under the ocean
A: C. It is constantly recycled through subduction processes
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User: Why is the oceanic crust much younger than the continental crust? A. the ocean basins did not begin forming until after the breakup of Pangaea B. it is eroded away by ocean currents C. it is constantly recycled through subduction processes D. it is only formed after a volcanic eruption somewhere under the ocean

Weegy: C. It is constantly recycled through subduction processes
Expert answered|Pinkygrl1183|Points 380|

User: The generation and spreading outward of new seafloor at the mid-ocean ridge is evidence for plate tectonics. How can the ocean floor be spreading outward at the mid-ocean ridge spreading center without Earth getting larger? (A) The new material spreads outward until it reaches a continent and then it piles up into mountains. (B) The new material is subducted back into the mantle as soon as it is generated. (C) The spreading of the seafloor at the mid-ocean ridge is offset by subduction at oceanic trenches. The movement of the continental plates offsets movement of the oceanic plates.

Weegy: A. The new material spreads outward until it reaches a continent and then it piles up into mountains
Expert answered|Pinkygrl1183|Points 380|

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Asked 4/3/2012 5:59:08 PM
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What type of magma will have the most built-up pressure because of its high strength and viscosity? a. silica-rich b. basaltic c. iron-rich
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Updated 2/13/2017 11:40:21 PM
1 Answer/Comment
Silica-rich magma will have the most built-up pressure because of its high strength and viscosity.
Added 2/13/2017 11:40:21 PM
This answer has been confirmed as correct and helpful.
Confirmed by Andrew. [2/14/2017 6:05:12 AM]
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