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Home Q & A Board Biology-Related Homework Help Environmental and Conservation Biology
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Alamojay Alamojay
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9 years ago
For most of human history, and in developing countries today, the major source of energy has been
A) natural gas.
B) oil.
C) wind.
D) muscle power.
Textbook 
Environmental Science: Toward A Sustainable Future

Environmental Science: Toward A Sustainable Future


Edition: 12th
Authors:
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Super Cuban Dude
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JesuisMelJesuisMel
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9 years ago
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Alamojay Author
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9 years ago
I appreciate what you did here, answered it right Smiling Face with Open Mouth
vanna2014
wrote...

Yesterday
Just got PERFECT on my quiz
bkrandy
wrote...

2 hours ago
Thanks
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