Question and answer
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
C. It is constantly recycled through subduction processes
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Original conversation
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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Questions asked by the same visitor
What kind of feature results if one or both plates at a convergent plate boundary are made of oceanic crust? a. folded mountain range b. subduction zone c. mid-ocean ridge
Weegy: B. subduction zone results if one or both plates at a convergent plate boundary are made of oceanic crust. User: What feature is found where a dense oceanic plate gets subducted under a lighter continental plate? a. mid-ocean ridge b. trench c. long folded mountain range Weegy: b. trench User: What type of geological activity is common close to oceanic trenches where subduction is taking place? a. metamorphism b. volcanic eruptions c. mountain building Weegy: It should be metamorphism (More)
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Updated 3/29/2012 8:11:21 PM
1 Answer/Comment
B. Volcanic Eruptions is a type of geological activity that is common close to oceanic trenches where subduction is taking place.
Added 3/29/2012 8:11:21 PM
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What kind of feature results when a continental plate converges with another continental plate? a. folded mountain range b. subduction zone c. hot spot
Weegy: b. subduction zone User: What feature is found where a dense oceanic plate gets subducted under a lighter continental plate? a. mid-ocean ridge b. trench c. long folded mountain range Weegy: B.Trench-The top layer of the mantle and the crust (all called the lithosphere) sinks beneath the continent. A deep ocean trench is formed. [ Water gets carried down with the oceanic crust and the rocks begin to heat up as they travel slowly into the earth. ] User: How do large volcanic eruptions generally affect Earth?s atmosphere? 1. make the lower atmosphere cooler 2. make the whole atmosphere warmer 3. make the whole atmosphere cooler (More)
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