MCQOPTIONS
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				| 1. | 
                                    Stars are enormous spheres of ignited gas that light the cosmos. They come in many different types and sizes. Which among the following is not a known type of stars? | 
                            
| A. | White dwarf | 
| B. | Red giant | 
| C. | Green dwarf | 
| D. | None of these | 
| Answer» D. None of these | |