I think watermark because it has to do with a body of water
Answer:
Breakwater
Explanation:
An artificial structure built parallel to the shoreline to stabilize the shore is called a BREAKWATER.
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The answer for One of the defining aspects of mass extinctions in that natural selection forces do not play a role in the outcome is False
330 million, 500 million, 20K meters squated, dont get the last 2.