Fact 1: Natural disasters can cause animals to leave an environment.

Fact 2: Earthquakes are natural disasters.

Given the two facts above, answer the question "What can cause animals to leave an environment?" with the following options: 
- it has normal food supplies
 - it has earthquakes
 - energy of moving objects
 - harmful substances
 - its a safe habitat
 - colder weather
 - the situation is unchanged
 - deforestation


 

  it has earthquakes       