Question

Earth’s mantle is made of a dense thick material that allows movement of crustal plates. Crustal plate movement occurs because the mantle flows as a result of uneven heating inside the mantle. ____________________ are created by very hot material deep in the mantle rising, then cooling, sinking again, and then heating again and then repeating the cycle.

Answer 1

Convection Currents
Hope it helps :D

Answer 2

Convection Currents goes in the blank