The adjective Refined has 6 senses:
1. (used of persons and their behavior) cultivated and genteel
2. freed from impurities by processing
3. showing a high degree of refinement and the assurance that comes from wide social experience
4. made pure
5. suggesting taste, ease, and wealth
6. free from what is tawdry or unbecoming
The correct answer is: <span>B) An Astronomical Unit
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has a lower standard of living
