Water use (Climate Change, Biosphere) (main)
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Water use (Climate Change, Biosphere)
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Agriculture I (Water use (Climate Change, Biosphere))Humans began to cultivate food crops about 10,000 years ago. Prior to that time, hunter-gatherers secured their food as they traveled in the nearby environment. When they... More »
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Agriculture I (Water use (Climate Change, Biosphere)) Last Updated on 2010-12-28 04:17:57 Humans began to cultivate food crops about 10,000 years ago. Prior to that time, hunter-gatherers secured their food as they traveled in the nearby environment. When they observed some of the grains left behind at their campsites sprouting and growing to harvest, they began to cultivate these grains. From these humble beginnings agriculture began. More » 
