| The remains of shells are often found in chalk. | ||
| Fossils are the preserved remains of animals and plants that lived and died millions of years ago. |
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| The remains of plants are often found in coal. | ||
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| The remains of shells are often found in chalk. | ||
| Fossils are the preserved remains of animals and plants that lived and died millions of years ago. |
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| The remains of plants are often found in coal. | ||
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