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Why should it be any more costly to clean up the last 10 percent of polluted air than to clean up the first 90 percent?
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Jan 26, 2021
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Why should it be any more costly to clean up the last 10 percent of polluted air than to clean up the first 90 percent?
Chemistry
high-school
Vikas Verma
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Vikas Verma
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Answer:
Because the 90% that's left is more available to clean
Alfons
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Feb 1, 2021
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Alfons
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