5 oceans

Discovery Science: Earth – Oceans – Ocean Currents

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Earth Science: Oceans – Ocean Currents Ocean currents, dependent upon the winds and varying salt concentrations, drive huge masses of water over long distances. Numerous surface and deepwater currents act as giant conveyer belts, circulating the water in the world’s oceans. The Earth’s ocean waters can complete a turnover in a few hundred years, though … Read more

Discovery Science: Earth – Water – Oceans

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Earth Science: Water – Oceans More than two-thirds of the Earth’s surface is covered in water. The ocean is the largest and oldest habitat on our planet and plays a central role in shaping the climate. It provides energy, natural resources, and one of the major food sources for humans. Nevertheless, large parts of the … Read more