Scientists tracing the concentration, size, and evolution of aerosol p – McqOptions

MCQOPTIONS

1.	Scientists tracing the concentration, size, and evolution of aerosol particles smaller than how many nanometres at an urban location in India have found the frequent formation of sub-3nm aerosol particles in the atmosphere?
A.	2
B.	3
C.	4
D.	5
E.	6
Answer» C. 4

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