The ocean bottom that extends from the shoreline out to an area where there is a marked change in slope to a greater depth is the（）.<br>A:abyssal plain<br>B:continental shelf<br>C:borderland<br>D:offshore terrace

The ocean bottom that extends from the shoreline out to an area where there is a marked change in slope to a greater depth is the（）.
A:abyssal plain
B:continental shelf
C:borderland
D:offshore terrace

出自：海船船员证

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