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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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MannyD MannyD
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7 years ago
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: 13th
Authors:
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Chemistry for Changing Times, 13th Edition
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tropicauxtropicaux
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7 years ago
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MannyD Author
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7 years ago
Smart ... Thanks!
ofsuahasiufhoas
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Yesterday
You make an excellent tutor!
Lawson1981
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2 hours ago
Helped a lot
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