What is "plastic" rock and how does it move?

Plastic Rock is a rock that behaves something between a liquid and a solid, due to the amount of water in between the molecules. it move very slowly

This is what i found “nuclear fuel is material used in nuclear power stations to produce heat to power turbines. heat is created when nuclear fuel undergoes nuclear fission. most nuclear fuels contain heavy fissile actinide elements that are capable of undergoing and sustaining nuclear fission.” i hope this you for what your looking for. can you plz mark me brainliest?