oceans cover what percentage of the earth's surface?
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The ocean covers more than 70 percent of the surface of our planet. It's hard to imagine, but about 97 percent of the Earth's water can be found in our ocean. Of the tiny percentage that's not in the ocean, about two percent is frozen up in glaciers and ice caps.
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Mountains make up 24 percent of the Earth's surface.
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Ocean is a Large Water Body Covering the 70% of Earth and for Territorial Purposes these are Named and these Oceans are Divided into Seas where as Beach is a Shoreline of any Waterbody such as Lakes,Sea etc., which actually consists of Sand, Rocks, Pebbles and Gravels.
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Over 97% of the Earth's water is found in the planet's five oceans for a total volume of about 1,400,000,000,000,000,000,000.000000000000000000000000 liters. The Pacific Ocean is the largest ocean, covering 165,760,000 sq. km — more than double the area of the Atlantic Ocean at 82,400,000 sq. km.
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The total land surface area of Earth is about 57,308,738 square miles, of which about 33% is desert and about 24% is mountainous. Subtracting this uninhabitable 57% (32,665,981 mi2) from the total land area leaves 24,642,757 square miles or 15.77 billion acres of habitable land.
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The ocean absorbs about 30% of the carbon dioxide (CO2) that is released in the atmosphere. As levels of atmospheric CO2 increase from human activity such as burning fossil fuels (e.g., car emissions) and changing land use (e.g., deforestation), the amount of carbon dioxide absorbed by the ocean also increases.
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Recent estimates have calculated that 26 percent of all the carbon released as CO2 from fossil fuel burning, cement manufacture, and land-use changes over the decade 2002–2011 was absorbed by the oceans. (About 28 percent went to plants and roughly 46 percent to the atmosphere.)
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Over 97% of the Earth's water is found in the planet's five oceans for a total volume of about 1,400,000,000,000,000,000,000.000000000000000000000000 liters. The Pacific Ocean is the largest ocean, covering 165,760,000 sq. km — more than double the area of the Atlantic Ocean at 82,400,000 sq.
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The extent of human impact on these underwater ecosystems is impressive. Still, we've only mapped 5 percent of the world's seafloor in any detail. Excluding dry land, that leaves about 65 percent of the Earth unexplored. There's a lot out there potentially harboring a lot more plastic bags.
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The air we breathe: The ocean produces over half of the world's oxygen and absorbs 50 times more carbon dioxide than our atmosphere. Climate regulation: Covering 70 percent of the Earth's surface, the ocean transports heat from the equator to the poles, regulating our climate and weather patterns.
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The marine biome is the world's largest biome and is characterized by the presence of salt water. The marine biome covers over 70 percent of the surface of Earth and is made up of 97 percent of all of the water on the planet.
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About 3 percent of Earth's water is fresh water. Of the 3 percent, about 69 percent is ice.
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The ocean covers more than 70 percent of the surface of our planet.
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Answer and Explanation: Only a very, very, tiny portion of the water on Earth, about 0.3 percent, is in a form that is usable for humans and land animals.
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The largest of all the ecosystems, oceans are very large bodies of water that dominate the Earth's surface. Like ponds and lakes, the ocean regions are separated into separate zones: intertidal, pelagic, abyssal, and benthic. All four zones have a great diversity of species.
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The area of the World Ocean is about 361.9 million square kilometers (139.7 million square miles), which covers about 70.9% of Earth's surface, and its volume is approximately 1.335 billion cubic kilometers (320.3 million cubic miles).
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But just how much water exists on, in, and above our planet? About 71 percent of the Earth's surface is water-covered, and the oceans hold about 96.5 percent of all Earth's water.