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Marine snow is _______. a. pieces of organic matter that were once part of living organisms b. a mixture of living plankton c. snow from land that has entered aquatic ecosystems d. large salt crystals that have not dissolved in ocean water please select the best answer from the choices provided a b c d

User Schlamar
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Pieces of organic matter that were once part of living organisms

User Yury Semikhatsky
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