Fact 1: Animals can communicate with sounds, chemicals, or visual cues.

Fact 2: Cows are social animals.

Given the two facts above, answer the question "what can communicate with sounds, chemicals or visual cues?" with the following options: 
- cows
 - bears
 - sheep
 - bacteria
 - viruses
 - humans
 - Birds
 - clouds


 

 cows        