Fill in the Blanks (Reading & Writing)

Beach erosion occurs when waves and currents —removeremovalremovingremoved sand faster than natural processes can replace it. Coastal towns often build sea walls or plant dune grasses to —stabilisestabilitystabilisedstabilising the shoreline, though such measures can sometimes —worsenworseworseningworst erosion further along the coast. Scientists warn that rising sea levels will make the problem increasingly —difficultdifficultydifficultlydifficultness to manage.