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Jan102009

Agriculture: The Big Change

Perhaps the biggest change to the way humans lived since the expansion out of Africa was the development of agriculture. Living as farmers meant a radically new diet, new disease risks, and new forms of social organization. Humans had become good hunter-gatherers, but as they attempted to make a living at something completely different, they began to change.

 

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    Response: Irrigation System
    please check this website related to irrigation related guides
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