Transform boundary because its sliding past each other
I believe the answer is either A or D. However, I think D sounds the most fitting but like i said, it could be either one. :)
http://faculty.chemeketa.edu/afrank1/topo_maps/scale.htm use this website and i think this should fully explain it
The Gulf of Mexico. It technically also borders the states of Louisiana, Texas, Mississippi, Alabama, and Florida, as well as Mexico and Cuba
