Fact 1: Touch is the ability to sense pressure.

Fact 2: Moles find prey mainly by using their sense of touch.

Given the two facts above, answer the question "Moles find prey mainly by using their ability to sense what" with the following options: 
- temperature
 - retina
 - warmth
 - heat
 - pressure
 - heat or cold
 - an object
 - environment


 

     pressure    