Answer the following question: Fact 1: Plants use unsaturated fatty acids to store energy. Fact 2: Among the unsaturated fatty acids are compounds with one, two or three double bonds. Given the two facts above, plants use what type of compounds to store energy?

Options are: (a). thermal insulators; (b). It helps them survive; (c). during the day; (d). spring, summer, autumn, winter; (e). compounds with double bonds; (f). hydrogen and oxygen; (g). Something with exactly eight protons; (h). it helps plants in growing;
Answer:
(e).