The continents we know today were previously clumped together in a super continent called pangea. the continental drift theory the continental shift theory the plate theory the plate tectonics theory

The Continental Drift Theory

Explanation:

The Continental Drift Theory it´s a theory that states that at the beggining all the continents were together forming a super continent called Pangea, and that over the course of millions of years the Tectonic plates of earth started to move and the continents along with them, this made the continents as we know them today.

answer; i believe that the correct answer is ; males are hemizygous for the x chromosome;