You are running a sonar survey to map the bathymetry of an ocean basin.Using the following continuous sonar data giving the depth of the seafloor in meters,what feature have you just discovered? $$\begin{array} { | l | l | l | l | l | l | l | l | l | l | l | l | l | }
\hline 3071 & 3011 & 2891 & 2846 & 2756 & 2577 & 2532 & 2487 & 2502 & 2577 & 2756 & 2921 & 3041 \
\hline
\end{array}$$
A) an abyssal plain
B) a deep trench
C) a mid-ocean ridge
D) a continental shelf

Question

You are running a sonar survey to map the bathymetry of an ocean basin.Using the following continuous sonar data giving the depth of the seafloor in meters,what feature have you just discovered? $$\begin{array} { | l | l | l | l | l | l | l | l | l | l | l | l | l | } 
\hline 3071 & 3011 & 2891 & 2846 & 2756 & 2577 & 2532 & 2487 & 2502 & 2577 & 2756 & 2921 & 3041 \
\hline
\end{array}$$
A) an abyssal plain
B) a deep trench
C) a mid-ocean ridge
D) a continental shelf

Quizplus · Accepted Answer

The data shows a gradual decrease in depth reaching a minimum and then a gradual increase, which is characteristic of a mid-ocean ridge where the seafloor spreads apart.

You Are Running a Sonar Survey to Map the Bathymetry