Which of the following provides the best explanation as to why convection currents in the mantle cause tectonic plate movement?
A.
Warm, less dense material rises: while cool more dense material sinks. This creates convection currents which cause the tectonic plates to move.
B.
Warm, more dense material rises; while cool, less dense material sinks. This creates convection currents which cause the tectonic plates to move.
C.
Cool, less dense material rises; while warm, more dense material sinks. This creates convection currents which cause the tectonic plates to move.
D.
Cool, more dense material rises; while warm, less dense material sinks. This creates convection currents which cause the tectonic plates to move.
Answers: 3
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Which statements are true concerning mineral formation? check all that apply. the slower the cooling, the larger the crystals. the faster the cooling, the smaller the crystals. crystals formed from magma are smaller than crystals formed from lava. minerals can only form in solutions when the solution is heated deep underground. when a solution cools, elements and compounds leave the solution and crystallize as minerals. minerals formed from hot water solutions can form narrow channels in the surrounding rock.
Answers: 1
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Which of the following provides the best explanation as to why convection currents in the mantle cau...
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