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Science
Layers of the Earth
Question | Answer |
---|---|
where is the lithosphere located | crust and uppermost mantle |
where is the asthenosphere located | in the middle mantle |
where are convection currents located | the middle mantle |
what are convection currents caused by | hot material rising then cooling and sinking over and over again |
as the layers go toward the center of the earth they get | more dense |
what is the difference between oceanic crust and continental crust | the oceanic is mostly basalt and the continental is mostly granite |
which type of crust is more dense | the oceanic crust |
why is the oceanic denser | because basalt is much denser than granite |