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1. land mass above sea level.
A
continent
B
rift
C
mountain
2. the process that causes continental crust to pull apart, breaking it into blocks.
A
evaporation
B
volcanoes
C
continental rifting
3. the crust that makes up the continents; thicker and less dense than oceanic crust.
A
mid Atlantic ridge
B
continental boundary
C
continental crust
4. ground shaking caused by the release of energy stored in the crust.
A
magma
B
earthquakes
C
lava
5. molten rock deep inside the Earth.
A
volcano
B
magma
C
lava
6. the mechanism for moving continents; the formation of new seafloor at spreading ridges pushes lithospheric plates on the Earth's surface.
A
seafloor spreading
B
earthquakes
C
tornadoes
7. the crust that underlies the oceans; thinner and denser than continental crust.
A
continental crust
B
oceanic crust
C
ridge
8. molten rock that has reached the Earth's surface.
A
Lava
B
magma
C
gasser
9. a divergent plate boundary that breaks up a continent.
A
Pacific Ring of Fire
B
continental rift
C
Mid Atlantic Ridge
10. a location where two lithospheric plates spread apart.
A
transverse plate boundary
B
divergent plate boundary
C
convergent plate boundary
11. a large, continuous mountain range found within an ocean basin; it is the location on the seafloor where magma upwells and forms new seafloor.
A
The Alps
B
Sierra Nevada
C
mid-ocean ridge