Lichens are more sensitive to which of the following? – McqOptions

MCQOPTIONS

1.	Lichens are more sensitive to which of the following?
A.	सल्फर डाइआक्साइड(SO2)
B.	Carbon Monoxide (CO)
C.	Nitrogen dioxide (NO2)
D.	Oxygen (O2)
Answer» B. Carbon Monoxide (CO)

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