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3
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super continent that existed millions of years ago
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5
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remains of an organism that lived long ago
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6
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two plates collide and one slides under the other
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7
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rapid back and forth movement
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8
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one of the seven large land masses on Earth
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10
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mountains, valleys and hills
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11
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one of the sheets of crust and upper mantle that cover Earth's surface
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12
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place in Earth where the energy of an earthquake is first released
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