What was unknown to scientists during Wegener’s time?(1 point)
Responses
Earth’s crust is made of plates that move.
Earth’s crust is made of plates that move.
Fossils were found in many places.
Fossils were found in many places.
Mountain ranges of some continents lined up.
Mountain ranges of some continents lined up.
The coasts of some continents fit together.
Which continents have coastlines and mountain ranges that match up?(1 point)
Responses
Africa and North America
Africa and North America
North America and South America
North America and South America
Asia and Antarctica
Asia and Antarctica
Africa and South America
Africa and South America
What did scientists observe in the ocean floor which indicates that the Pacific Ocean is becoming smaller?(1 point)
Responses
continental drift
continental drift
spreading
spreading
subduction
subduction
plates floating on the mantle
What is the name of a supercontinent that was once made up of all of Earth’s current continents?(1 point)
Responses
Eurasia
Eurasia
Gondwana
Gondwana
Pangaea
Pangaea
Laurasia