luuule6-Task 6a - Module Review Submi Due Tuesday by 11:59pm Points 8 Submitting

Question

luuule6-Task 6a - Module Review Submi Due Tuesday by 11:59pm Points 8 Submitting a text entry box Use your textbook, module topics and Internet resources to complete the assignment 1. What current creates a submarine canyon? a) Rip current b) Turbidity current c) Longshore current 2. What is the average Calcium Carbonate Depth in the ocean a) 1,500 M b) 2,500 M c) 4,500 M d) 10,000 M 3. Go to this website or look at the page on Ocean Sediment Thickness and list the sediment thickness for the Bay of Bengal and the Gulf of Mexico. Explain why these two locations would have extremely thick sediment http://www.ngdc.noaa.gov/mg&/image/sedthick2.ina 4. Compare and Contrast Silica and Calcium Carbonate deposits. Make sure to include specilfic organisms and location in the ocean. 5. Explain the differences between lithogenous sediments on the continental margin and the deep ocean. explain the sources and composition. Make sure to Previous

Explanation / Answer

1) b.Turbidity current

Turbidity currents which are  flows of thick mixtures of water and sediment create submarine canyons.

2) c. 4,500 M

At compensation depth (CCD)

Rate of accumulation of CaCO3 = Dissolution of CaCO3

The average CaCO3 depth in the ocean is  4,500 meters.

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