Question

What is plate tectonics

Answer 1

Plate tectonics is the generally accepted scientific theory that considers the Earth's lithosphere to comprise a number of large tectonic plates which have been slowly moving since about 3.4 billion years ago.

Step-by-step explanation:

Answer 2

Plate tectonics is the study of how Earth's crust shifts. The crust of Earth is floating on a massive reservoir of magma called the mantle.

The shifting of plates is extremely slow but sometimes they can suddenly shift causing an earthquake. If it happens under water, a tsunami can occur.

Hope that helps