Undertows pull sediment from rivers out to sea. River mouths have sediment triangles {delta}|. Mississippi River makes 600,000,000 tons each year. In sea, corals use minerals, or minerals precipitate out, as at Hudson-River mouth and in Baltic Sea.
Physical Sciences>Earth Science>Water>Fresh>Areas>River
5-Earth Science-Water-Fresh-Areas-River
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Date Modified: 2022.0224