Calcareous ooze covers approximately ________ of the surface of the deep-ocean basins.
a. 10
b. 48
c. 78
d. 90
Question 2
Sediments derived from land are called ________. Most that make it into the sea are deposited in the ________.
a. hydrogenous; continental margin
b. terrigenous; continental margin
c. terrigenous; deep seafloor
d. hydrogenous; deep seafloor