What Sedimentary Process Is Mainly Responsible for the Accumulation of Up

question 23

Multiple Choice

What sedimentary process is mainly responsible for the accumulation of up to 9 kilometres of sediment in deep ocean trenches?

• A) pelagic, biogenous ooze slowly settling from the top of the water column
• B) sunken or subsided coral reefs
• C) offshore dumping of unending bargeloads of garbage from major cities
• D) turbidity currents and submarine landslides from the continental slope and trench walls

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