Examlex
Which of the following statements does NOT describe one of the unusual characteristics of quasar 3C 273 that astronomers noticed when the quasar was first discovered?
Leisure
Free time when one is not working or occupied, allowing for relaxation, hobbies, and personal activities.
Nonpaid Labor
Work that does not receive financial compensation, often seen in domestic tasks, volunteer work, or internship experiences.
Marginal Utility
The supplementary value or utility derived from the consumption of one more unit of a good or service.
Market Price
The existing value at which an asset or service could be sold or bought.
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