Continental Drift Question Preview (ID: 56787)

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During which period were North America, Africa, and South America closest?

a) Tertiary

b) Cretaceous

c) Triassic

d) Ordovician

Which statement best supports the theory of continental drift?

a) Basaltic rock is found to be progressively younger at increasing distances from a mid-ocean ridge.

b) Marine fossils are often found in deep-well drill cores.

c) The present continents appear to fit together as pieces of a larger landmass.

d) Areas of shallow-water seas tend to accumulate sediment, which gradually sinks.

The inferred latitude of Pennsylvania 362 million years ago was closest to

a) where it is now

b) the North Pole

c) the Equator

d) 45° south

The theory of continental drift suggests that the

a) continents moved due to changes in the Earth's orbital velocity

b) continents moved due to the Coriolis effect caused by the Earth's rotation

c) present-day continents of South America and Africa are moving toward each other

d) present-day continents of South America and Africa once fit together like puzzle parts

Which landmass is moving northward with Australia as part of the same tectonic plate'?

a) India

b) Antarctica

c) North America

d) South America

Which map best indicates the probable locations of continents 100 million years from now if tectonic plate movement continues at its present rate and direction?

a) A

b) B

c) C

d) D

Approximately how many million years ago (mya) was this New York State region located at the equator?

a) 59 mya

b) 119 mya

c) 359 mya

d) 458 mya

When do scientists think these continents were joined together?

a) during the Tertiary Period, only

b) from the Cretaceous Period through the Tertiary Period

c) from the Devonian Period through the Triassic Period

d) during the Cambrian Period, only

Which mountain range resulted from the collision of North America and Africa, as parts of Pangea joined together in the late Pennsylvanian Period?

a) Appalachian Mountains

b) Acadian Mountains

c) Taconic Mountains

d) Grenville Mountains

Which statement represents the most logical conclusion to draw from this evidence?

a) Mesosaurus migrated across the ocean from location X to location Y.

b) Mesosaurus came into existence on several widely separated continents at different times.

c) The continents of South America and Africa were joined when Mesosaurus lived.

d) The present climates at locations X and Y are similar.

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