Question

what are tectonic plates​

Answer 1

Answer:

plate tectonic is a scientific theory describing the large-scale motion of seven large plates

and and the movement of a larger number of smaller plates of earth lithosphere , since tectonic process began on earth between 3.3 and 3.5 billion years

Answer 2

A tectonic plate (also called lithospheric plate) is a massive, irregularly shaped slab of solid rock, generally composed of both continental and oceanic lithosphere. Plate size can vary greatly, from a few hundred to thousands of kilometers across; the Pacific and Antarctic Plates are among the largest.