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Oceans absolutely influence human life. Oceans cover more than 70% of the Earth's surface. Oceans provide habitat for many of the planet's organisms. Most of the world's oxygen is produced by algae, protists that live in the ocean. They are the basis of the ocean's food webs. Tiny crustaceans and fish eat algae, which in turn are food for larger fish and mammals. Humans rely on the ocean for seafood, an important source of protein. Oceans are important for moving materials and goods from one country to another. Climate and weather are influenced by the ocean. Air masses that pass over warm waters gain moisture. When this air rises and cools, condensation occurs and eventually precipitation can occur. Oceans moderate climate in communities near the sea. For instance, during the summer months, the ocean absorbs solar energy and because water can retain heat energy longer than air, it works as a heater during the winter months, moderating the climate of the towns around the ocean. Coral can be used for bone grafts. Coral is found in tropical seas. These are just some reasons why the ocean is so important!
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