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Lesley0479 Lesley0479
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6 years ago
According to the figure, what level of pollution reduction comes at the highest cost?
 
  A) From 60 to 80 pollution reduction B) From 20 to 40 pollution reduction
  C) From 80 to 100 pollution reduction D) The first 20 of pollution reduction
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nena1107nena1107
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6 years ago
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Lesley0479 Author
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6 years ago
Thanks
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Thanks for your help!!
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2 hours ago
Thanks
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