SabrinaDFG6075 SabrinaDFG6075
  • 11-08-2017
  • Physics
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Initially the clean air act of 1990 required ___ of the nationâs dirtiest coal burning plants to cut down on emissions

a.50

b.71

c.111

d.2300

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Аноним Аноним
  • 11-08-2017
d is the answer
I hope this helps
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