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 |