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Chemistry 83 Online
OpenStudy (anonymous):

Which of the following is most likely to cause respiratory problems in humans? a. carbon monoxide air pollution b. lead pollution in water c. nitrogen oxide air pollutants d. depletion of the ozone layer

OpenStudy (anonymous):

@Abmon98 it would be A right? D:

OpenStudy (abmon98):

A is the correct answer :)

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