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15
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In what way does the Pacific plate distinguish itself from the others?
It is the smallest yet the most active tectonic plate.
It is the least active.
It is the largest tectonic plate.
It is the only transform plate.
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trap
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gold
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gift
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banana
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15
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As the leading edge of a tectonic plate moves back into the Earth, gravity can assist its movement downward. This is known as what?
Trench suction
Thermal convection
Ridge push
Slab pull
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15
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What separates the South American plate and the African plate?
The Indian Ocean
The Mid-Pacific Ridge
The Mid-Atlantic Ridge
The Indo-Australian Plate
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15
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What do we know about the continents we have today?
They float on top of the ocean floor.
They will never form another supercontinent.
They have stopped moving due to plate tectonics.
They formed when Pangaea split apart.
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15
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The outermost shell of the earth made up of the crust and upper part of the mantle is called the _____
asthenosphere
lithosphere
atmosphere
magnetosphere
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lifesaver
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magnet
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gift
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baam
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15
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Convergent and transform plate boundaries can both be responsible for:
The expansion of the ocean floor and a rich marine life.
Generating strong earthquakes.
Continental drift and global warming.
The metamorphosis of fault lines between tectonic plates.
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eraser
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15
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What is the Cascade Range an example of?
Past Mid-Atlantic ridge transformation.
A subduction zone along a divergent boundary.
A volcanic arc along an ocean-continent boundary.
Catastrophic dynamism of the Earth's crust.
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15
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What discovery was NOT made from mapping the ocean floor?
Underwater volcanoes
Magnetic immobility
Magnetic stripes in ocean rock
Seafloor spreading
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15
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Which of the following major plates is located farthest south?
The African Plate
The Antarctic Plate
The Arctic Plate
The South American Plate
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15
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Wegener's name for the super-continent he thought existed before the continents broke apart was _____.
Geotechnic
Lunagea
Panthallassa
Pangea
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15
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What fossils did Wegener NOT use to support his idea of continental drift?
Mesosaurus
Lystrosaurus
Tyrannosaurus
Cynognathus
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15
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Ocean trenches and volcanic mountains are two surface features commonly found at:
Transform plate boundaries.
Divergent plate boundaries.
All types of plate boundaries.
Convergent plate boundaries.
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Which of the following can be formed by a convergent boundary?
Volcanic mountains
Deep ocean trenches
Volcanic islands
All of these
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