Definition: Convert a disfluent question to a proper question. A disfluent question is a question that has some interruptions in it while framing. A proper question is the correct form of the question without any disfluency.
Input: Why do ciliary rosettes need to increase density in seawater no sorry why do they need to decrease density in seawater?

Why do do ciliary rosettes need to decrease density in seawater?