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Which of the following is not true concerning the energy harnessed by humans throughout history?
a. early hominids harnessed the least energy, just that of their own bodies.
b. fire let humans increase their energy use tenfold.
c. neolithic farmers were able to harness the energy of animals.
d. modern humans use more than a hundred times the energy of early humans.
Answers: 2
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Which of the following is not true concerning the energy harnessed by humans throughout history?
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