At both new and full moons (lunar phases) the tides are most pronounced (for example, the highest high tides).
Longshore current move parallel to the shore as longshore drift under the prevailing wind in zig-zag motion.
It is an ocean current that is cause by swell sweeping into the shoreline at an angle and pushing water down the length of beach in a uniform direction.
It is a geological also process that consist of the transportation of sediments such as silt,clay,sand and shingle.
Hope it helps!
The thing responsible for the plate motion is plate tectonics.
The answer is B.sedimentary
