Final answer:
The feature that is a result of new sea floor being made is the d. Mid-ocean ridge. It is an underwater mountain and rift system formed by an oceanic divergent plate boundary.
Step-by-step explanation:
The feature that is a result of new sea floor being made is the d. Mid-ocean ridge.
The mid-ocean ridge is an underwater mountain and rift system formed by an oceanic divergent plate boundary. It is created when new oceanic crust is formed through volcanic activity and spreads outwards, pushing the older crust away from the ridge.