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Home Q & A Board Other Fields Homework Help Sociology
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kkuhn2 kkuhn2
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6 years ago
Humans obtain approximately ____ of their energy from nonrenewable, nonsustainable resources such as oil, coal, and gas.
 
  a. 30
  b. 50
  c. 70
  d. 90
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rhcarterrhcarter
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6 years ago
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kkuhn2 Author
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6 years ago
You make an excellent tutor!
shangshang
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Yesterday
Smart ... Thanks!
ediblefruitz
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2 hours ago
Just got PERFECT on my quiz
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