Unlike the lasting impact of a classic novel, a pop song's popularity is often _____, fading quickly from public memory. Which of the following words is an ANTONYM for the blank?

✓ Correct Answer: Option A

The blank describes something that fades quickly, meaning it is ephemeral, fleeting, transient, or evanescent. The question asks for an antonym for such a word. 'Enduring' means lasting for a long time.