Fact 1: Tectonic plates being pushed together causes earthquakes.

Fact 2: Plate tectonics states that the Earth's plates are constantly moving.

Given the two facts above, answer the question "the Earth constantly moving then being pushed together causes what" with the following options: 
- oceans
 - erosion
 - deserts
 - Greenhouse gases
 - Energy.
 - energy
 - global warming
 - earthquakes


 

        earthquakes 