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Even though Earth has one continuous body of saltwater, scientists and geographers divide it into five different sections. From biggest to smallest, they are ... A degree option in Ocean Mapping is for students with interests in hydrography and hydrographic survey technology who wish to prepare for careers in such ... C: Human Impacts on Earth Systems · Human activities in agriculture, industry, and everyday life have had major effects on the land, vegetation, streams, ocean, ... A healthy ocean holds the solutions to many of the world's challenges. Background. Protect. Produce. Prosper. The ocean protects us by stabilising the climate. The sea otter is the largest member of the weasel family, yet the smallest marine mammal in North America. ... Approximately 90 percent of the world's sea otters ... What is GBIF? GBIF—the Global Biodiversity Information Facility—is an international network and data infrastructure funded by the world's governments and ... 4 days ago ... : any of the large bodies of water into which the great ocean is divided. the oceans of the world. 2. : a very large or unlimited quantity or ... Visit the official Earth Day site to learn about the world's largest environmental movement and what you can do to make every day Earth Day. ... ocean to the surface of the Sun, and how we use it to learn about and ... information about the Earth. Educational Resources for JPSS JPSS Education. They use NASA satellites and other instruments to collect many types of information about Earth's land, atmosphere, ocean, and ice. ... This traps even more of ...