Why does a hurricane weaken when it moves toward land?

Yes a hurricanes need water to continue to move as there becomes less water the weaker it will be

B.  It’s not fed with moisture on land.

100% ;-)

Explanation: Wind speeds up to 150 mph. Once a tropical system moves inland, the storm will usually weaken rapidly. This is due to the lack of moisture inland and the lower heat sources over land. ... While the sustained winds are reduced because of the dampening effect of larger roughness over land.

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.