What is the evidence of plate tectonics?

There are two main evidences of plate tectonics:

Paleomagnetism- We find that ancient rocks have preserved the magnetism of Earth that was present at that time. Studying the paleomagnetism records, we have found out the polar wandering path, i.e. the path through which the poles moved on the surface of the Earth. The polar wandering path shows clearly that the continents were in a different position than they are now. Even Earth's field reversals are recorded in the rocks.

Earthquake patterns- The earthquake patterns clearly mark the boundaries of the crustal plates which further boosts the credibility of the plate tectonics model.