Final answer:
The word 'rejuvenate' means to revive or make young again, with 'revitalize' as a synonym and 'degenerate' as an antonym. Understanding these terms helps to differentiate between 'alternative' and 'renewable' resources.
Step-by-step explanation:
Rejuvenate is a term often used to describe the process of making something look or feel better, younger, or more vital. A synonym for rejuvenate could be revitalize, which also conveys the idea of imparting new life or vigor. On the other hand, an antonym for rejuvenate could be degenerate, implying a decline or deterioration in quality or vitality.
Before delving into these antonyms and synonyms, it's essential to differentiate between 'alternative' and 'renewable' resources. The term 'alternative' generally refers to options that differ from the norm, often suggesting a substitution for something else. In contrast, 'renewable' implies a sustainable attribute, indicating that a resource can be replenished naturally over time.