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1
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the outer layer of the Earth
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2
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What the oceanic crust holds
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3
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the layer that is 67% of the Earth`s mass
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4
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A evergy used by the sun`s rays
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5
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The most liquid part of the earth
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6
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a energy that could be made by waste and other things
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7
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The crust that holds the Continents
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9
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the crack of the Earth
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14
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Before the Earth broke apart
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15
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a clue that proves there was Pangea
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17
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the only liveable planet
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18
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the study of Earth
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