A wave which retreats after hitting the coast is called? by Sunday | Aug 11 | Geography WAEC | 0 comments A. backwash B. swash C. underflow D. trough E. wavelength Correct Answer: Option B – swash Users Also Read These:The distance between two successive troughs of a…The sea wave continue to _______ the cliff on the…The sketched graph represents a progressive wave…The change of the direction of a wave-front because…The diagram above illustrates a wave setup between…