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Title: In a modern society, approximately what percentage of human energy is used to produce food? Post by: MannyD on Feb 11, 2017 In a modern society, approximately what percentage of human energy is used to produce food?
A) 10% B) 25% C) 45% D) 65% Title: Re: In a modern society, approximately what percentage of human energy is used to produce food? Post by: tropicaux on Feb 11, 2017 Content hidden
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