Question

What is ment by plate tectonics?
In short sentence​

Answer 1

Plate tectonics is the theory that Earth's outer shell is divided into several plates that glide over the mantle, the rocky inner layer above the core. The plates act like a hard and rigid shell compared to Earth's mantle.

$bts \: exo$

Answer 2

Answer:

A theory explaining about earth's crust. plates move slowly underlying mantel.