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Sea floor spreading and continental drift
By Leslie Bevan
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Last updated almost 8 years ago
5 questions
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Question 1
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Question 2
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Question 3
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Question 4
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Question 5
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Sea-floor spreads apart at both sides of a _____ as new crust is added.
mid-ocean ridge
rift valley
trench
mountain
Who first proposed the theory of continental drift?
Pangea
Wilson
Hess
Wegener
All are evidence to support the theory of continental drift EXCEPT
land features
climate change
fossils
rainfall
Drilling samples revealed that rock samples taken farther from a mid-ocean ridge are
crystal
older
younger
hotter
Rocks on the sea-floor that lie in a pattern, show a record of the reversals of
atmosphere
temperature
diversity
magnetic field