Question

3. What are tectonic plates? What are they composed of ??​

Answer 1

Answer:

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.

Answer 2

Explanation:

Tectonic plates are pieces of Earth's crust and uppermost mantle, together referred to as the lithosphere.

⌈Tectonic plates are composed of the rigid outer portion of the earth, called lithosphere⌉