According to Central Pollution Control Board (CPCB), particulate size _____ micrometers or less in diameter are hazardous to human health.
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Answer:
2.5 micrometers
Explanation:
As per the Central Pollution Control Board (CPCB), the particulate with the size of 2.5 micrometers or the size less in diameter of PM 2.5 mostly are responsible for causing the greatest harm to very human health in a subtle way.
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