Q: Fact 1: Animals use saturated fatty acids to store energy. Fact 2: Killer whales are social animals. Given the two facts above, what uses saturated fatty acids to store energy?

Available options:
a). the Sun.
b). peachleaf willow.
c). Conifers.
d). killer whales.
e). perennials.
f). generators.
g). passenger pigeons.
h). light bulbs.
The answer is:
d).