According to the online content article about the Earth’s coastlines, what sculpts the coastline by breaking down rock and delivering sand to beaches? = waves
What kind of landform is a depression? = a depression is a landform sunken or depressed below the surrounding area. Depressions form by various mechanisms. Erosion-related: Blowout: a depression created by wind erosion typically in either a partially vegetated sand dune ecosystem or dry soils (such as a post-glacial loess environment).
