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| is history that happened befor the invention of writing |
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| proof, rather then written words |
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| locate and study the things left behind by people |
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| stud the answers of modern people |
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| stud the answers of modern people |
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| remains of once-living things |
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| human-made object,especially from long ago |
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| scientific prosses that tells the age of something once living by measuring the amount of radioactive carbon it contains |
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| movement of a group of people from one place to another |
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| long cold weather period when hugesheets of ice covered parts of the earths surface |
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| a huge sheet of slowly moving ice |
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| cold, treeless plain whosesubsoil is permaently frozen |
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| unique way of life that sets a group of people apart from others |
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| organized group of people living and working under a set of rules and traditions |
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