Which of these statements about particulate matter less than 2.5 microns in diameter is true? A. They're less of a threat than particulate matter that's 10 microns in diameter. B. They pose the greatest health risk and can reach deep into the lungs when they're inhaled. C. They're produced from nitrogen gas (N_{2}) D. They're the size of a human hair
They are produced from nitrogen gas about particulate matter less than 2.5 microns in diameter is true.
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Asked 8/3/2022 10:42:19 PM
Updated 255 days ago|5/8/2024 7:37:08 PM
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