According to the Central Pollution Control Board, particles that are responsible for causing great harm to human health are of diameter:

Environment Studies (Science) (M.Phil./Ph.D.) 2014 Panjab University Entrance Exam With Answers

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A: 2.50 micrometers

B: 5.00 micrometers

C: 10.00 micrometers

D: 7.5 micrometers

The answer is: A

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