Which two processess do scientists think move the Earth's lithospheric plates?

A.gravity acting on the edges of plates and friction between the plate and the asthenosphere

B.friction between the plate and the asthenosphere and pressure of magma on the edge of the plate

C.gravity acting on the edges of plates and convection in the mantle

D.convection in the mantle and pressure of magma on the edge of the plate

Question

Which two processess do scientists think move the Earth's lithospheric plates?
 
 A.gravity acting on the edges of plates and friction between the plate and the asthenosphere
 
 B.friction between the plate and the asthenosphere and pressure of magma on the edge of the plate
 
 C.gravity acting on the edges of plates and convection in the mantle
 
 D.convection in the mantle and pressure of magma on the edge of the plate

anonymous · Answer

@TheSmartOne @pooja195 @Azbadar

pooja195 · Answer

@kohai

anonymous · Answer

I think it might be A but I am not sure.

anonymous · Answer

This question is VERY important. It's like crucial that I get it right lol. I appreciate all your help.

anonymous · Answer

Hello...

anonymous · Answer

Please don't leave :(

anonymous · Answer

@TheSmartOne @pooja195 @Azbadar

pooja195 · Answer

Im so confused on this one >_< 
@jigglypuff314 ? @sleepyjess ??

anonymous · Answer

I know. I don't like this one :(

anonymous · Answer

Can anyone help? I am willing to take anyone's help at this point. Please??

jigglypuff314 · Answer

@Abbster2015 This should help you to understand it better http://www.newworldencyclopedia.org/entry/Plate_tectonics#Driving_forces_of_plate_motion (hint: perhaps note the main subtitles under the section I have given, and try to find the option that includes both those words) :)