What observations can be made about a rock at the outcrop scale?

If the rocks are layered on a fine scale

If the rocks are homogenous

If the crystals in the rock vary in size

answer; gravity pulls glaciers down hill and as glaciers flow it pick up rocks and soil;

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.