Continental Drift Answers

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When did people begin to notice that coastlines of continents fit together like puzzle pieces?

A
when satellites began taking pictures of Earth from space
B
when Alfred Wegener proposed the idea of continental drift
C
when early explorers traveled from Europe and Asia to the Americas
D
when geologists first started examining the fossil record of South America
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Which statements about Pangaea are true according to widely accepted theories? Check all that apply.Pangaea existed two hundred thousand years ago.The landmass of Pangaea split into separate continents over time.Pangaea was discovered by Christopher Columbus.Pangaea was surrounded by the waters of the ocean.The coastline of Pangaea stayed consistent over time.

A
Pangaea existed two hundred thousand years ago.
B
The landmass of Pangaea split into separate continents over time.
C
Pangaea was discovered by Christopher Columbus.
D
Pangaea was surrounded by the waters of the ocean.
E
The coastline of Pangaea stayed consistent over time.
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Which statements describe evidence of continental drift? Check all that apply.Deserts line up when continents are pushed together.Mountain ranges often appear on the edges of continents.Fossils of the same animals appear on different continents.Tropical plants currently appear in both Antarctica and South America.Wegener’s theories were accepted by most geologists in the 1960s.Explorers discovered the edges of continents they did not know about.

A
Deserts line up when continents are pushed together.
B
Mountain ranges often appear on the edges of continents.
C
Fossils of the same animals appear on different continents.
D
Tropical plants currently appear in both Antarctica and South America.
E
Wegener’s theories were accepted by most geologists in the 1960s.
F
Explorers discovered the edges of continents they did not know about.
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Mountain ranges often appear on the edges of continents. What theory does this support?

A
Mountains were formed when Earth’s crust cooled and Earth shrank.
B
Mountain ranges were formed when continents collided.
C
Mountain ranges did not exist millions of years ago.
D
Mountain ranges were formed only by glaciers.
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Use the drop-down menus to complete the statements.

Answers:
Fossils on continents that are now separated by support the theory of continental drift.:oceans
Continents closer to the equator have warmer climates, yet fossils of have been found on islands near the North Pole. This supports the idea that islands drifted from the equator.:tropical plants
Coal fields in match those found in North America, supporting the theory of continental drift.:Europe
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Use the drop-down menus to complete the statements.

Answers:
Fossils on continents that are now separated by support the theory of continental drift.:oceans
Continents closer to the equator have warmer climates, yet fossils of have been found on islands near the North Pole. This supports the idea that islands drifted from the equator.:tropical plants
Coal fields in match those found in North America, supporting the theory of continental drift.:Europe
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✔ tropical plantsmammalsdinosaurs

A
✔ tropical plants
B
mammals
C
dinosaurs
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✔ EuropeAfricaSouth America

A
✔ Europe
B
Africa
C
South America
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0.005 mm/year0.05 mm/year✔ 5 mm/year50 mm/year

A
0.005 mm/year
B
0.05 mm/year
C
✔ 5 mm/year
D
50 mm/year
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500,000 meters east50,000 meters west✔ 5,000 meters east500 meters west

A
500,000 meters east
B
50,000 meters west
C
✔ 5,000 meters east
D
500 meters west
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volcanic islandsvolcanic mountains✔ new ocean floormountains

A
volcanic islands
B
volcanic mountains
C
✔ new ocean floor
D
mountains

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