Fact 1: Some animals' fur grows thicker for staying warm in the winter. Fact 2: Winter is snow, winter is Christmas. Given the two facts above, why do some animals grow thicker fur around Christmas in the Northern hemisphere?
Select from the following. (I) overheat (II) protect them (III) stay warm (IV) climate (V) adding heat (VI) warm other animals (VII) stay cool (VIII) sun's heat
(III)