Question

Define the theory of plate tectonics.

Answer 1

Plate tectonics is a scientific theory describing the large scale motion of the plates making up the earths lithosphere since tectonic processes began on earth between 3.3 and 3.5 million years ago the model builds on the concept of continental drift an idea developed during the first decades of the 20th century

Answer 2

I dont know

Step-by-step explanation:

why you need an explanation i dont know