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In a modern society, approximately what percentage of human energy is used to produce food?

MannyD

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In a modern society, approximately what percentage of human energy is used to produce food?

In a modern society, approximately what percentage of human energy is used to produce food?
A) 10%
B) 25%
C) 45%
D) 65%

Textbook

Chemistry for Changing Times

Chemistry for Changing Times

Edition: 13^th

Authors: Hill, McCreary, Kolb, Reuter

Read 81 times

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Chemistry for Changing Times, 13th Edition

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tropicaux

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This helped my grade so much Perfect

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