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a secondary source of information is one that was created later by someone who did not experience first-hand or participate in the events or conditions you're researching.

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a primary source is an artifact, a document, diary, manuscript, autobiography, a recording, or any other source of information

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Migration is when food or water gets scarce the people will move to a different place.

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An Archaeologist is a person who uncovers the bones of plants or animals.

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A nomad is a person who has no permanent home.

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Hunter-Gatherers are people who hunt and gather but not starting farms.

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culture is when many people have the same belief.

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an object made by a human in the past and is admired by many people.

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Art is humans creativity and imagination in multiple forms, like Painting, and drawing.

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rock art is a carving or painting on a hard rock surface.

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The Paleolithic Era is a period in time when the less evolved humans lived.