Which transition is the best choice to complete the bolded sentence? Some people are born superstars, really! Michael Phelps, the Olympic swimmer is a perfect example. his hands and feet are bigger than normal, which helps him move quickly through the water. ___ he can reach his arms higher above his head than can other swimmers. Some people argue, , that because he has natural advantages over other swimmers, it was not fair that he won eight gold medals in 2008. Consequently First of all For the same reason

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. 

Answer meranesia;