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Quiz - Do Face Masks Protect Against Air Pollution?
April 18, 2017
Question 1 / 4
According to the report, what is one problem with cloth masks?
They get dirty quickly and need constant washing.
The cloth provides good pollution protection but blocks air flow.
They contain a substance that is unsafe for humans.
They don’t provide enough protection from very small particles.
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Quiz - Do Face Masks Protect Against Air Pollution?
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