Fact 1: If a habitat can no longer support animals then those animals will move to another area. Fact 2: Cows are social animals. Given the two facts above, what will move to another area if their habitat will no longer support them?

Options:
I. density.
II. Birds.
III. squids.
IV. humans.
V. clouds.
VI. gravity.
VII. cows.
VIII. Whales.
The answer is:
VII.