You are standing above a 20 m high sea cliff with a large beach below you. all around you is a flat surface with thin soil on a rocky base. in the distance you see another flat bench but it is about 30 m higher than you are. where are you? a) on a dune field behind an active shorelineb) on a subsiding coastline where a recent earthquake happened to uplift the seabedc) on an uplifted wave-cut terrace along an emergent coastlined) you must be on the moon; there is nothing like that on earth.