while hiking in the grand canyon of northern arizona, you stop and observe an outcrop that exposes three different sedimentary rock types. on the bottom is a layer of shale, which is overlain by a layer of limestone, which is in turn overlain by a layer of sandstone. this stratigraphic sequence indicates a or a in sea-level occurred in this location in the past.

true. earthquakes are felt whenever there is a slip around a fault in the rocks below the earth. this reorientation of faults create sesmic waves and is known as earthquake, the severity of which is measured in richter scale. these are more prominent in hilly regions as the rocks usually form faults to balance the pressures on it.

answer(c) carved on a babylonian clay tablet that showed earth as a flat circular disk;