Age of Rock and Plate Tectonics Quiz

Question

6 of 76 of 7 Items
Question
Which of the following provide evidence that South America, Africa, Antarctica, and Australia were once together as one supercontinent? Select the three correct answers.(2 points)
Responses

Icy glaciers covered South America, Africa, Antarctica, and Australia as one supercontinent over the North Pole.
Icy glaciers covered South America, Africa, Antarctica, and Australia as one supercontinent over the North Pole.

Mountain chains match up where South America collided with Australia to form Pangaea.
Mountain chains match up where South America collided with Australia to form Pangaea.

Vast deposits of coal formed in regions with ancient deserts.
Vast deposits of coal formed in regions with ancient deserts.

Cratons match across the edges of continents.
Cratons match across the edges of continents.

Glacial deposits and scratches in the bedrock from an ice sheet match in distant regions.
Glacial deposits and scratches in the bedrock from an ice sheet match in distant regions.

Fossils of marsupials were originally the same across South America and Australia.

Answer 1

The three correct answers that provide evidence that South America, Africa, Antarctica, and Australia were once together as one supercontinent are:

1. Cratons match across the edges of continents.
2. Glacial deposits and scratches in the bedrock from an ice sheet match in distant regions.
3. Fossils of marsupials were originally the same across South America and Australia.

These pieces of evidence support the theory of continental drift and the existence of the supercontinent Pangaea.