 
			 
			MCQOPTIONS
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				| 1. | The maximum absorption of solar radiation due to ozone occurs at wave lengths: | 
| A. | shorter than 0.3 μm | 
| B. | shorter than 0.2 μm | 
| C. | greater than 0.3 μm | 
| D. | None of these | 
| Answer» B. shorter than 0.2 μm | |