Question

Select all that apply.

What evidence suggests the continents were once all together but then drifted apart?

Mountain ranges in North America match up with those along the European coastline.
Similar fossils of plants and animals are found on widely separated continents.
Remains of tropical plants found in Antarctica.
Matching jig-saw puzzle coastlines, particularly with the west coast of Africa and east coast of South America.

Answer 1

Matching jig-saw puzzle coastlines, particularly with the west coast of Africa and east coast of South America.

The way the continents seem to fit perfectly together is an indicator that they were once joined.
Although the conclusions drawn from the fossils may also suggest this, they also can be caused by similar climates of the continents.