MCQOPTIONS
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				| 1. | 
                                    Lagooning process is mainly a means of the | 
                            
| A. | sludge disposal. | 
| B. | reduction of excessive flow in sewers. | 
| C. | biological treatment of wastes. | 
| D. | none of these. | 
| Answer» B. reduction of excessive flow in sewers. | |