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3
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The bottom layer of rock will have the __________ fossils
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6
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What preserved the mammoth on page 8
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7
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Hollow space left behind when sediment hardens around an organism and the remains dissolve
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8
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Fossilized trees
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9
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This is the only type of rock to have fossils
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10
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Helps determine the age of a rock layer
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11
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One large landmass broke up to become these
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12
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Age in millions of years of the dinosaur on page 10
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14
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The type of climate needed for mineral fossilization (see question 2 page 130)
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15
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Formed when dissolved minerals filled a mold and hardened
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