Intro to oceans - Hilary online test compilation B 0.0 / 5 ? Marine ScienceBiogeochemistryUniversityAll boards Created by: Chalkster160299Created on: 15-05-18 17:45 If a sediment's contents is 55% opaline silica, what is the sediment commonly termed Siliceous Ooze 1 of 4 Why can phytoplankton not grow below depths of about 100-200 m There is not enough light . 2 of 4 What is the main reason why water sinking in polar regions has a high oxygen concentration? Mainly because the water is very cold and so the solubility of oxygen is enhanced 3 of 4 Why do dissolved oxygen concentrations decrease as deep water formed in the Atlantic ages during its transport to the Pacific Ocean? Bacteria organisms use oxygen during respiration/decomposition of organic matter 4 of 4
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