Q: Fact 1: Animals can communicate with sounds, chemicals, or visual cues. Fact 2: Cows are social animals. Given the two facts above, what can communicate with sounds, chemicals or visual cues?

Select from the following.
I. cows.
II. bears.
III. sheep.
IV. bacteria.
V. viruses.
VI. humans.
VII. Birds.
VIII. clouds.
The answer is:
I.