Author Question: What tool is often used to measure the topography of the seafloor today? A) High-resolution ... (Read 161 times)

Chelseaamend · **on:** Jul 16, 2018

What tool is often used to measure the topography of the seafloor today?

A) High-resolution multibeam instruments
B) Sonar
C) Echo sounders
D) Radar altimeters

Question 2

Which of the following groups contains all three major topographic provinces oceanographers use to define the seafloor?

A) Continental margins, mid-ocean ridges, and deep-ocean basins
B) Mid-ocean ridges, continental shelves, and divergent boundaries
C) Submarine trenches, mid-ocean ridges, and turbidity currents
D) Deep-ocean basins, active margins, and passive margins