What was unknown to scientists during Wegener's time? (1 point)
Earth's crust is made of plates that move.
Fossils were found in many places.
The coasts of some continents fit together.
O Mountain ranges of some continents lined up.
Earth's crust is made of plates that move.
Fossils were found in many places.
The coasts of some continents fit together.
O Mountain ranges of some continents lined up.