The area covered by oceans in the Earth’s surface.
Answer to Problem 1RQ
70.8% of the Earth’s surface, which is about 360 million square kilometers, is covered by the five oceans such as the Arctic, Atlantic, Pacific, Indian, and Antarctic.
Explanation of Solution
When viewing from space, the Earth glows blue in color; the presence of oceans are the reason for this blue color. Oceans serve as a giant reservoir for water and other chemicals and the resting place for sediment particles eroded and transported from the continents.
Oceans are the bodies of saline water that composes much of the Earth’s hydrosphere. The Earth has approximately a 510 million square kilometers area and the Oceans cover almost 70.8% of the area on the Earth’s surface, which denotes that approximately 360 million square kilometers are occupied by the five oceans such as the Arctic, Atlantic, Pacific, Indian, and Antarctic.
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