Plate Tectonics Tectonic plates move or float on top of the upper mantle. However they do not float freely. The plates are forced in specific directions. - ppt download
Mountain height might be controlled by tectonic force, rather than erosion
Causes and Types of Tectonic Stress | Physical Geography
Moulding the Earth — Science Learning Hub
Plate tectonics and the structure of the Earth's crust - Wikiversity
INTRODUCTION TO TECTONICS
Geography 101 Online
9 Crustal Deformation and Earthquakes – An Introduction to Geology