According to the Central Pollution Control Board, particles that are responsible for causing great harm to human health are of diameter:
A. 2.50 micrometers
B. 5.00 micrometers
C. 10.00 micrometers
D. 7.5 micrometers
Answer:A
According to the Central Pollution Control Board, particles that are responsible for causing great harm to human health are of diameter:
A. 2.50 micrometers B. 5.00 micrometers C. 10.00 micrometers D. 7.5 micrometers