Restless Continents Question Preview (ID: 16650)


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Part if molten rock at mid-ocean ridges.
a) magnetic minerals
b) fossils
c) Pangaea
d) magnetic reversals

New oceanic lithosphere forms as a result of
a) continental drift
b) normal polarity
c) sea-floor spreading
d) reverse polarity

Items that provide evidence that the continents were once closer together
a) Gondwana
b) sea-floor spreading
c) fossils
d) continental drift

Wegner thought that all the continents were once together in one large continent called
a) Gondwana
b) Pangaea
c) Eurasia
d) Laurasia

Process that takes place at mid-ocean ridges
a) fossils
b) Laurasia
c) sea-floor spreading
d) convergence

Hypothesis that states that the continents were once one large mass that broke apart
a) continental drift
b) magnetic reversals
c) sea-flooring spreading
d) magnetic minerals

Process of Earth's magnetic poles changing places
a) continental drift
b) sea-flooring spreading
c) fossils
d) magnetic reversals

Evidence for sea-flooring spreading
a) the break up of Pangaea
b) magnetic minerals on the ocean floor
c) ancient climactic conditions
d) fossils in South America and Africa

Two plate coming together
a) convergent
b) divergent
c)
d)

Plate moving apart
a) divergent
b) convergent
c)
d)

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