Mariely V.
asked • 02/10/23Algebra 1 test review
1972, federal vehicle emission standards allowed 3-4 hydrocarbons roleven, per We driven. By 2007, the standasic itanda only 0.3 hydrocarbons per mile driven.
What was the fate of change from 1972 to 2007?
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1 Expert Answer
Maahir A. answered • 02/11/23
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The standards decreased by 90%.
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Mark M.
Review your post for accuracy.02/10/23