 
			 
			MCQOPTIONS
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				| 1. | What does Kepler s law of period relate? | 
| A. | Time period and semi-minor axis | 
| B. | Time period and eccentricity | 
| C. | Time period and semi-major axis | 
| D. | Time period and area swept by the planet | 
| Answer» D. Time period and area swept by the planet | |