Order the features from the coast moving toward the deep ocean. Place the feature closest to the shoreline at the top of the list.
Which geological process is most responsible for the formation of deep-sea trenches?
A student is describing the formation of new oceanic crust. Arrange the events in the correct order. Place the first event at the top of the list.
What best explains the flatness of an abyssal plain?
Match each feature to its formation process.
volcanic activity|sediment deposition|subduction
Match each seafloor feature with its correct description.
steep drop-off into the deep ocean|flat, sediment-covered deep seafloor|a gently sloping base formed by sediment
Match each seafloor feature with its description.
formed at a divergent boundary|formed near a subduction zone|flat, sediment-covered region|underwater volcanic mountain
A new volcanic island formed and began to erode as it drifted over a moving plate. Which sequence will most likely occur?
A geologist finds a chain of volcanic islands with decreasing ages toward one end. What is the best conclusion?
Why is the ocean floor younger near mid-ocean ridges and older near the continents?
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