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2 years ago

9

High-efficiency particulate air (HEPA) filters are designed to remove which sized particles from the environment? 0.1 microns or

smaller a) b) 0.3 microns or larger O c) 0.1 microns or larger d) 0.3 microns or smaller

1 answer:

FromTheMoon [43]2 years ago

6 0

Answer:

d) 0.3 microns or smaller

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