Fact 1: Smell is used for finding food by some animals.

Fact 2: Olfaction is the sense of smell.

Given the two facts above, answer the question "What is used for finding food by some animals?" with the following options: 
- metal detectors
 - telekinesis
 - olfaction
 - Earthworms
 - cooking
 - mussels
 - bamboo
 - heat energy


 

   olfaction      