Deflation erodes the price of commodities while increasing the real liability of debt. Basaltic caves can penetrate far into cliffs where most of the surface erodes relatively slowly. Acidic rainwater erodes the limestone and can form caverns. Dutton stressed that using history to explain sovereignty erodes the rules of the UNCLOS. The asthenosphere erodes the lower levels of the Plateau. Otherwise, the beach is unstable and the replenished sand quickly erodes. The chalk slowly erodes to form characteristic rolling hills and valleys. A process of creative destruction begins which erodes the monopoly. Managed retreat moves structures and other infrastructure inland as the shoreline erodes. As the rock around it erodes, the horn gains in prominence. But, when the segment is taken away, the Martian atmosphere slowly erodes. Meanwhile, rain also erodes the volcano, creating deeply incised valleys. Floodplains are formed when a meander erodes sideways as it travels downstream. Critics of sprawl maintain that sprawl erodes quality of life. Over time, the island erodes away and sinks below sea level.