Consider the given two statements:

I. The complete oxidation of fatty acids provides high caloric content compared with the breakdown of carbohydrates and proteins.
II. Triacylglycerols are the lipids that comprise the bulk of storage fat in animal tissues.

1. Both I and II are correct and II explains I
2. Both I and are correct but II does not explain I
3. I is correct and II is incorrect
4. Both I and II are incorrect