Accumulation of Sludge on the Bottom of the Ocean Is

question 1

Multiple Choice

Accumulation of sludge on the bottom of the ocean is responsible for:

• A)Anoxic,or oxygen-lacking,conditions.
• B)Drastic changes in salinity.
• C)Deposit feeders being replaced by filter feeders.
• D)Drastic changes in temperature.
• E)Increase in the number of sharks and other predators.

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