1. Look at the outlines of South America and Africa. The green color represents the land above sea level. The blue areas along the coastlines are the continental shelves—areas of the continents that are under shallow water. Label the continental shelves on the image below. 2. What do you notice about the shapes of the continents including the continental shelves? What do you think the apparent fit of the continents suggests?

3. What does the fit of South America and Africa suggest?