WAS THOUGHT OF BY ALFRED W, WHO NOTICED HOW WELL, IF AT A CERTAIN ANGLE, THE COAST LINES FIT IN WITH EACH OTHER.

THESE ARE WHAT ARE BENEATH THE SURFACE, SLIDING AND SOMETIMES BUMPING INTO EACH OTHER.

THESE FAULTS AND LAND FEATURES, PUSHING AGAINST EACH OTHER AND SEPERATING CREATE CANYONS AND MOUNTIANS

IS WHAT SOFTENS ROCKS AND CREATES SAND.

TOPOGRAPHY IS THE STUDY OF ELEVATION OF LANDMASSES AND OTHER FORMS.