Question

what are tectonic plates ?​

Answer 1

Answer:

Plate tectonics is a scientific theory describing the large-scale motion of seven large plates and the movements of a larger number of smaller plates of Earth's lithosphere, since tectonic processes began on Earth between 3.3 and 3.5 billion years ago.

$\bold\color{blue}{hope}$$\bold\color{red}{it}$$\bold\color{green}{will}$$\bold\color{purple}{help}$$\bold\color{orange}{you}$

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. ... By contrast, oceanic crust is composed of basaltic rocks, which are much denser and heavier.