__A considerable part of the harmful ultraviolet radiation of the sum – McqOptions

MCQOPTIONS

1.	__A considerable part of the harmful ultraviolet radiation of the sum does not reach the earth surface, because of the fact that, there is a layer of __________ high above earth's atmosphere, which absorbs it.__
A.	Hydrogen
B.	Carbon dioxide
C.	Ozone
D.	None of these
Answer» D. None of these

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