The deep-layer model of convection is an attractive and a reasonable hypothesis because the model

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     is compatible with seismic images and slab descent
     provides two chemically different mantle sources for basalt
     can demonstrate a layered motion without substantial mixing (lava-lamp analogy)
     all of the above
     none of the above, the deep-layer model has been proven incorrect
asked Mar 12, 2013 in Earth Science by anonymous
    

1 Answer

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all of the above
answered Mar 15, 2013 by h20 ~Top Expert~ (6,320 points)

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