Reading · Part 5
Most earthquakes are caused by the large, slow movements of the great slabs of rock that make up the outer shell of the Earth. These slabs are called lithospheric plates, or tectonic plates. Earthquakes do not usually happen in the middle of a plate; instead, they happen at the boundaries, where one plate meets…
Desbloqueja tots els exàmens, simulacions il·limitades, les 80 fases del joc i molt més.