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seawater summary

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Learn about the chemical and physical properties of seawater

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Below is the article summary. For the full article, see seawater.
sea ice extent
sea ice Summary
Sea ice, frozen seawater in the Arctic Ocean and its adjacent seas as far south as China and Japan and in the Southern Ocean and its adjacent seas surrounding Antarctica. Most sea ice occurs as pack ice, which is very mobile, drifting across the ocean surface under the influence of the wind and