3) Feature A is an abyssal plain and Feature B is an ocean trench.
Explanation:
Looking at the attached image, we can see that feature A is an abyssal plain and feature B is an oceanic trench. This picture is topographic profile which shows the different parts of an ocean as we move from the shelf to the trenches.
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sea floor spreading
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Answer:
Option 3
Explanation:
I got it right on the test.
Hope this helped.