Question

read the sentence. when i told the doctor of my sinus pain and nasal pressure, she offered me a decongestant. based on the prefix, de-, what does the word “decongestant” mean? a device that causes congestion a resource that defines congestion a way to measure congestion a substance that reduces congestion

Explanation:

The prefix "de -" often means to reverse or remove an action. "Congestant" relates to congestion. So, a decongestant is something that removes or reduces congestion.

Answer:

D. a substance that reduces congestion