| http://www.w3.org/ns/prov#value | - axes/charity Market Exchange of goods at prices determined by the laws of supply and demand Exchangers with anyone they choose Kent?s lecture on ecology and subsistence made clear to you that people have all kinds of ways to extract resources from the environment on which they can live humans can live anywhere if 1. resources we need are there 2. we have cultural tools to survive and to turn resou
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