AnswersSS4 PGCPS EARTH SPACE OC SUMMER 2027 - 794243Lab: Mineral and Rock Classification

Continental Drift Answers

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1
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What evidence of climate change on continents supports the theory of continental drift?

A
signs that glaciers existed in South Africa
B
similar coal fields on different continents
C
change in atmospheric temperature over time
D
same animal fossils found on different continents
2
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What is the name of the theory that explains why mountain ranges in Africa and South America line up?

A
Pangaea theory
B
landmass theory
C
continental drift theory
D
plate movement theory
4

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.
5

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
8

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
9

In Wegener's view, what caused mountain ranges to form?

A
volcanoes
B
Earth shrinking
C
meteorite impacts
D
continents colliding
10

Lystrosaurus provided which type of evidence supporting continental drift?

A
land features
B
fossil evidence
C
glacial evidence
D
climate change evidence

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