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Online MCQ Assignment
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1. What is the average concentration of ozone in the ozone layer of the atmosphere? a) Nearly 100% b) Greater than 90% c) Between 10-50% d) Less than 10ppm 2. 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…

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