A IMO :
A and B correct parallelism not only .. but also ...
but,
B - corrects parallelism but changes the meaning that "re bathymetry, which can" saying bathymetry only changes .
so narrowed down to A.
A and B correct parallelism not only .. but also ...
but,
B - corrects parallelism but changes the meaning that "re bathymetry, which can" saying bathymetry only changes .


.jpg)



