Author Question: Where does most of the material on the continental shelf come from? a. Erosion from the adjacent ... (Read 17 times)

Melani1276 · **on:** Aug 22, 2018

Where does most of the material on the continental shelf come from?
a. Erosion from the adjacent continent
b. Sediments transported from rivers
c. Accumulations behind natural dams
d. New crust formation

Question 2

What transports most of the sediment that forms the continental rise?
a. Plate tectonics
b. Turbidity currents
c. Convection
d. Active margin geological activity

Amiracle · **Reply #1 on:** Aug 22, 2018

Answer to Question 1

ANS: A
Although sediments do come from rivers and accumulate at natural dams, most of the sediment on the
continental shelf comes from erosion of the continent itself. Information can be found in the section
Continental Margins May Be Active or Passive.

Answer to Question 2

ANS: B
The Turbidity currents are responsible for most of the sediment transported onto the continental rise. It
comes from the continental shelf and descends down onto the slope Information can be found in the
section Continental Margins May Be Active or Passive.