Select from:
A). Water expanding;
B). tectonic plates;
C). rainfall;
D). Physical weathering;
E). flooding;
F). mouth of rivers;
G). a hydraulic system;
H). deforestation;

Fact 1: Tectonic plates being pushed together causes earthquakes. Fact 2: Landslides caused by earthquakes . Given the two facts above, what causes landslides?
Answer:
B).