What is the energy source that drives plate tectonics

Earth’s internal heat

Explanation:

The energy source for plate tectonics is Earth's internal heat while the forces moving the plates are the ridge push and slab pull gravity forces.

the arctic is a region of the planet, north of the arctic circle, and includes the arctic ocean, greenland, baffin island, other smaller northern islands, and the far northern parts of europe, russia (siberia), alaska and canada.