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Consider the southeast coast of north america and the northwest coast of africa. According to the current theory of plate tectonics, these two regions were once very close together. However, the coasts do not quite fit together like puzzle pieces, as one might expect. This can be explained by the fact that the southeast edge of north america's ________ actually does fit nicely with the northwest edge of africa's __________ even if the coasts do not

Respuesta :

Answer:

Both are continental shelf's.

Explanation:

A continental shelf is the shallow underwater extension of land surrounding a continent. It makes up the edge of a landmass, even though it is under water. At some points in the Earth's past, many underwater continental shelves were once a part of dry land.