Continental Drift Answers

10 verified answers
1
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What first caused people to consider that the continents were once one large landmass?

A
glacier evidence in warmer countries
B
continents looked like they fit together
C
studying the valleys of the ocean floor
D
similar fossils were found on many continents
2
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Which coastlines most closely match each other and are, therefore, used as evidence to support Wegener’s theory?

A
India and Eurasia
B
Australia and Africa
C
Africa and South America
D
Australia and North America
3

South Africa's current climate is too warm for glaciers. According to the theory of continental drift, which statement best explains why evidence of glaciers appeared in South Africa millions of years ago?

A
Earth was covered in glaciers millions of years ago.
B
South Africa contained similar land features to Antarctica.
C
South Africa was closer to the poles and has drifted to its current location.
D
Glaciers moved southward over millions of years until they reached Antarctica.
4

Which two pieces of fossil evidence support the idea of continental drift?

A
bacteria and petrified wood
B
Glossopteris and bacteria
C
Lystrosaurus and Glossopteris
D
petrified wood and Tyrannosaurus
5

Which three continents contain coal fields that provide evidence for continental drift?

A
Africa, Antarctica, and North America
B
Eurasia, Africa, and South America
C
Antarctica, South America, and Africa
D
South America, North America, and Eurasia
6

Tropical plant fossils have been found in cold Arctic islands where they cannot survive in the present-day climate of this area. According to Wegener's theory, how were these ancient tropical plants able to survive in Arctic islands?

A
Plants were more adaptable in the past.
B
The poles of Earth were warmer in the past.
C
Arctic islands were closer to the equator in the past.
D
Land movements warmed the landmasses in the past.
8

The hydrosphere refers to the total amount of water on Earth, including liquid, gas, and solid forms. Which is one way the hydrosphere has been impacted by the movement of the continents over time?

A
Glaciers that once covered South Africa have melted and can no longer form.
B
All of the continents have fewer coastal areas than they did millions of years ago.
C
Land masses near the equator have more glaciers now than they did millions of years ago.
D
The poles that were once covered by glaciers are now surrounded by warm, tropical waters.

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