How do mid ocean ridge support both the idea of continental drift and the theory of plate tectonics?

The mid ocean ridge support it becuase your find similar sample of rock type on opposite side of the ridge which has thesame age.

Mid-Oceanic ridge are where new sea floors are created which is usually called a divergent boundary. As these places move apart they push the other plates to collide and slide pass each other. That is why it is a cycle