Which is not a major factor in the width of a continental shelf?
a. The proximity to a plate boundary
b. The speed of ocean currents
c. Natural dams that allow sediment accumulation
d. The number of rivers depositing new sediments
ANS: D
Plate tectonics and marine processes are major factors in the width of a continental shelf. As a whole,
rivers do not add very much sediment to a shelf. Information can be found in the section Continental
Margins May Be Active or Passive.
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