• Ocean Biome and life - Grzimeks Search
  The oceans are great interconnected bodies of salt water that cover 71 percent of Earth’s surface, a total of 139,400,000 square miles (361,100,000 square kilometers). They contain 97 percent of all the water on Earth, a total volume of 329,000,000 cubic miles (1,327,000,000 cubic kilometers).
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• Interactivate
  Surface Area : Volume Ration Lesson
  in Public bookmarks with area cell diffusion ratio surface volume

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