Question

the root fic or fac means do or make. what does the word prolific mean?
expressive or well - spoken
pushy or assertive
productive or fruitful

Explanation:

The root "fic" or "fac" means "do" or "make". The word "prolific" has the root related to doing/making, and "productive" or "fruitful" relates to producing (doing/making) a lot. The other options: "expressive or well - spoken" relates to expression (not making/doing in the sense of production), and "pushy or assertive" relates to behavior of pushing (not making/doing in the productive sense).

Answer:

productive or fruitful