Wegener’s theory of continental drift states that the continents have changed throughout history, while the theory of plate tectonics
a.
explains the physical process that has caused that change
b.
rejects the theory of continental drift and instead claims that the continents have not changed
c.
claims that continents only move during earthquakes
d.
explains why the theory of continental drift is wrong

It is A because it isn't D. continental drift really happened. C. They separate as plate tectonics are constantly moving. and B. Continental drift is real and the continents have clearly changed. A is the best answer.

Mantle convection is the process that drives plate tectonics. the theory of plate tectonics states that the crust is divided into plates that float on the semi molten mantle below. the circular motion of the magma as it slowly rises and falls or move though convection cells drags the plates along causing them to move. the heat source in the lamp would represent the earth's core. the core is the source of energy that drives convection in the mantle. the lava represents molten magma under the earth's surface. if the lava lamp had floating pieces they would move as the circular motion of the lava in the lamp as it rises and falls would move them along the surface. these floating pieces would represent pieces of the earth's crust. 

Except common history