1. The lack of oxygen also increases the release of phosphorus from bottom sediments . 2. Marine worms flourished in the bottom sediment of the sea that covered Illinois. 3. The concentrations of these metals are highest around bottom sediments , hydrothermal vents, and rivers. 4. The bottom sediments of False Bay are more varied. 5. In particular, they will monitor the radiation level of seafood, seawater and bottom sediments , Interfax said. 6. The bottom sediments , rich in bacteria feeding on organic matter, would give off large quantities of gases. 7. Eelgrass roots help stabilize the bottom sediments . 8. The former ocean-bottom sediments that make up most of the Wilderness are several hundred million years old. 9. The slimy bottom sediments may make the hull seem as if it were glued to the earth. 10. It forages for its preferred foods molluscs and crustaceans in sand and mud of the bottom sediment .
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