Who discovered the ozone layer? – McqOptions

MCQOPTIONS

1.	Who discovered the ozone layer?
A.	Henri Buisson & Charles Fabry
B.	Carl Sagan & Charles Fabry
C.	G.M.B Dobson
D.	Carl Sagan & G.M.B Dobson
Answer» B. Carl Sagan & Charles Fabry

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