MCQOPTIONS
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				| 1. | 
                                    ____ is a thick layer of fat present inside some animals living in extreme could conditions. | 
                            
| A. | Blubber | 
| B. | Cellulose | 
| C. | Shell | 
| D. | Cell membrane | 
| E. | None of these | 
| Answer» B. Cellulose | |