Final answer:
The tectonic plates between Africa and South America are moving apart from each other.
Step-by-step explanation:
The tectonic plates between Africa and South America are moving apart from each other. This movement is known as divergent boundary or seafloor spreading. The boundary between these plates is marked by the Mid-Atlantic Ridge, where new oceanic crust is formed as magma rises and pushes the plates apart.
Learn more about Plate Tectonics