Answer :
One major way in which waves erode land is through the friction of the water on the land itself. Another major way is that the salt in the water erodes the land through chemical processes.
1 The chamical process of the salt in the water, and the land causes the land to erode
2 The force of the waves against the land, causes it to brake down and erode
2 The force of the waves against the land, causes it to brake down and erode