"Our five oceans cover about 71 percent of the earth's surface and hold about 97 percent of our water. Oceans are also home to more than 16,700 kinds of fish and other sea creatures and plants. Together with the water cycle, currents, and balance of temperature and gases, the oceans are an essential part of our lives"-- Provided by publisher.
This resource is supported by the Institute of Museum and Library Services under the provisions of the Library Services and Technology Act as administered by State Library of Iowa.