21-2 Question Preview (ID: 1935)
21-2.
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By what method did the continents drift apart?
a) Continental drift
b) Continental separation
c) Continental draft
d) Continental segregation
The crust and upper portion of the mantle is the
a) Stratosphere
b) Asthenosphere
c) Atmosphere
d) Lithosphere
How many tectonic plates are there
a) 1
b) 9
c) 7
d) 4
What are two ways that plates are thought to move?
a) Gravity and wind
b) Water and wind
c) Convection currents and the force of gravity on their weight
d) Convection currents and wind
Which of the following is a divergent boundary?
a) 2 plates move apart
b) 2 plates move together
c) Plates dive beneath each other
d) Oceanic plates dive beneath continental plates
What is a convergent boundary?
a) 2 plates move apart
b) 2 plates move together
c) Plates dive beneath each other
d) Oceanic plates dive beneath continental plates
From which boundary do mid-oceanic ridges and rift valleys form?
a) Convergent
b) Divergent
c)
d)
What is a subduction zone?
a) Where oceanic crust moves away from continental crust
b) Where oceanic crust meets continental crust
c) Where oceanic crust moves away from oceanic crust
d) Where oceanic crust meets oceanic crust
What creates mountains?
a) Colliding tectonic plates
b) Diverging tectonic plates
c) Earthquakes
d) Volcanoes
When rock moves horizontally at faults along plate boundaries is what?
a) Convergent boundary
b) Divergent boundary
c) Transform fault boundary
d) San Andreas fault
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