Large amounts of ____ running into the oceans from ____ and homes can cause ____ blooms in the ocean. Coastal Development can cause ____ destruction, ____ erosion and contamination from ____. Overfishing is a problem because over 3.5 ____ people in the world ____ on the ocean for their primary ____ source. Surface ____ from land can impact the ____ by carrying ____ and fertilizers to the oceans and by causing ____. Artificial ____ can provide new ____ for marine ____, but may have problems in the ____.

Human Impact on Oceans

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