MCQOPTIONS
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				| 1. | 
                                    Aerosol is - | 
                            
| A. | Suspended solid particles in air | 
| B. | Pollutant gas, present in air | 
| C. | (8) Microbes, present in air | 
| D. | Green house gas present in air | 
| Answer» B. Pollutant gas, present in air | |