MCQOPTIONS
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				| 1. | 
                                    Are these statements about the mass balance true?Statement 1: Total mass of the system will remain the same but the constituent s parts may change. | 
                            
| A. | nStatement 2: Chemical and biological changes affect the mass balance of a unit operation. | 
| B. | True, False | 
| C. | True, True | 
| D. | False, True | 
| E. | False, False | 
| Answer» B. True, False | |