and this one..
What features are evidence of the Pacific Ocean's maturity?

Features of evidence for the Pacific Ocean's maturity include the ridges that are found in its zone. A ridge (where plates are formed) is an underground mountain range formed over a long period of time. Evidence of these and recycled trenches in the area point to the Pacific Ocean's maturity.
Answer:
The features that are evident of the Pacific Ocean's maturity are its ridges and trenches.
Explanation: