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.

Question

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.

anonymous · Answer

I need help!!!!

snowsurf · Answer

It's D.

inowalst · Answer

@snowsurf Please avoid giving out answers. 

@taylorswift131313 What do you think?

anonymous · Answer

I don't know I try and I just don't get science I'm behind in it I'm failing : (