What affects do waves have on beaches?

[beca]

So yea, this is for my science homework and I need to know and be able to elaborate on this question: How are beaches affected by the action of waves?

[super_kaylie_angel]

depend on if they are nude or not

[fuzzydaisy]

Erosion

[Jim3244]

Well beca start by using the proper word, effect not affect.Waves cause erosion on beaches. Sometimes sand or gravel is moved form one beach area to another. Beaches are always changing. Beach material gets moved around every time the tide changes.