These two theories are related because they are continuity from one another. The theory of plate tectonics insinuates that the crust layer is broken into multiple pieces, this is caused by the pressure of the mantle layer, which managed to break the crust where it is thinner. The theory of continental drift insinuates that the tectonic plates move around the Earth because of the pressure from the hot semi-liquid mantle layer.
Answer:
a is the answer 100% vertically
Explanation:
This area would be the tropics if that's what you're asking for If, not leave a comment below for what the question really is.