LAYERS OF THE EARTH
CONTINENTAL DRIFT THEORY
Happens S-L-O-W-L-Y
Happens S-L-O-W-L-Y
WEATHERING & EROSION
Happens S-L-O-W-L-Y
Happens S-L-O-W-L-Y
FORMATION OF LANDFORMS
Happens S-L-O-W-L-Y
Happens S-L-O-W-L-Y
FAST CHANGES OF LANDFORMS
TILTMETER