Fact 1: If a living thing becomes too cold then that living thing will die. Fact 2: And without adequate calories, the birds die from the cold. Given the two facts above, what will a bird die without?

Options: (a). life. (b). Light. (c). energy. (d). fats. (e). water. (f). Limbs. (g). oxygen. (h). food.
Answer:
(h).