Question

WILL GIVE MEDAL!

convection in the upper mantle
magma injection at the spreading boundaries
gravity pulling the plates downward at subduction zones

.

These are three theorized causes of












A)
glacial melting.



B)
changing of the climate.



C)
high and low ocean tides.



D)
movement of the tectonic plates.

Answer 1

D.

Answer 2

Thanks!

Answer 3

yup i got you:)