Biology, 05.05.2021 23:20 fruitbutt77

Between 1990 and 2007, the amount of sulfur dioxide (SO2) in Miami's air went from 0.0073 ppm to 0.0027 ppm. What was the percent change of SO2? decrease
% (round to whole
numbers)

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Between 1990 and 2007, the amount of sulfur dioxide (SO2) in Miami's air went from 0.0073 ppm to 0.0...