Fact 1: Tectonic plates being pushed together causes earthquakes.

Fact 2: Landslides caused by earthquakes .

Given the two facts above, answer the question "What causes landslides?" with the following options: 
- Water expanding
 - tectonic plates
 - rainfall
 - Physical weathering
 - flooding
 - mouth of rivers
 - a hydraulic system
 - deforestation


 

  tectonic plates       