MCQOPTIONS
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				| 1. | 
                                    Fill in the blanks with the words given in the box and select the correct option. Earth rotates on its own _____. It takes _____ for one rotation. It also moves around the Sun. It takes _____ to complete one revolution. The Earth is covered by a layer of gases called the _____. | 
                            
| A. | Axis, 48 hours. Two years, Atmosphere | 
| B. | Axis, 24 hours. Two years. Stratosphere | 
| C. | Axis, 24 hours. One year, Atmosphere | 
| D. | Axis, 48 hours. One year. Ozone layer | 
| Answer» D. Axis, 48 hours. One year. Ozone layer | |