Question

After he observed that South America and Africa fit together like pieces of a puzzle, Alfred Wegener developed the theory of __________.

A.
continental drift
B.
plate tectonics
C.
tectonic activity
D.
the layers of the Earth

Answer 1

A

Step-by-step explanation:

Answer 2

continental drift.

Step-by-step explanation:

Alfred Wegener noticed that on a world map, South America and Africa look as if they might fit together like pieces of a puzzle. He began to develop a theory he called continental drift. This theory stated that the Earth's continents were once grouped together into a supercontinent called Pangaea.