MCQOPTIONS
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				| 1. | 
                                    CFCs can be repleced by other halocarbos, such as | 
                            
| A. | Hydrochlorofluorocarbon | 
| B. | Hydro carbons | 
| C. | Carbon dioxide | 
| D. | Halogen | 
| Answer» B. Hydro carbons | |