Seawater - Wikipedia
网页Seawater, or sea water, is water from a sea or ocean. On average, seawater in the world's oceans has a salinity of about 3.5% (35 g/L, 35 ppt, 600 mM). This means that every kilogram (roughly one liter by volume) of seawater has approximately 35 grams (1.2 oz) of dissolved salts (predominantly sodium (Na+. ) ions).
Seawater | Composition, Properties, Distribution, & Facts
网页2024年9月13日 — Seawater, water that makes up the oceans and seas, covering more than 70 percent of Earth’s surface. Seawater is a complex mixture of 96.5 percent water, 2.5 percent salts, and smaller amounts of other substances, including dissolved inorganic and organic materials, particulates, and a few atmospheric gases.
Ocean Water® - Nearby For Delivery or Pick Up | Sonic - Sonic Drive-In
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Ocean - Wikipedia
网页The ocean is the body of salt water that covers approximately 70.8% of Earth. [8] In English, the term ocean also refers to any of the large bodies of water into which the world ocean is conventionally divided. [9]
All About the Ocean - National Geographic Society
网页2024年3月5日 — The ocean covers 70 percent of Earth 's surface. It contains about 1.35 billion cubic kilometers (324 million cubic miles) of water, which is about 97 percent of all the water on Earth. The ocean makes all life on Earth possible, and makes the planet appear blue when viewed from space.
How much water is in the ocean? - NOAA's National Ocean Service
网页2024年6月16日 — 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 …
Sea Water - National Oceanic and Atmospheric Administration
网页2023年3月28日 — Sea Water. One of the most well known qualities of the ocean is that it is salty. The two most common elements in sea water, after oxygen and hydrogen, are sodium and chloride. Sodium and chloride combine to form what we know as table salt.
Oceans and Seas and the Water Cycle | U.S. Geological Survey - USGS.gov
网页2018年6月8日 — The oceans are, by far, the largest storehouse of water on earth — over 96% of all of Earth's water exists in the oceans. Not only do the oceans provide evaporated water to the water cycle, they also allow water to move all …
Oceans—facts and information - National Geographic
网页2019年3月21日 — The ocean is a continuous body of salt water that covers more than 70 percent of the Earth's surface. Ocean currents govern the world's weather and churn a kaleidoscope of life. Humans depend...
Ocean | Definition, Distribution, Map, Formation, & Facts
网页An ocean is a continuous body of salt water that is contained in an enormous basin on Earth’s surface. The major oceans and their marginal seas cover nearly 71 percent of Earth’s surface, with an average depth of 3,688 metres (12,100 feet).