Question

which statement is true?
lipids are a type of fat.
fats are a type of lipid.
fats and lipids are unrelated.
all lipids are fats, and all fats are lipids.

Explanation:

Lipids are a broad group of organic compounds. Fats are a specific type within the lipid category. Lipids include fats, but also other substances like phospholipids and steroids. So, fats are a subset of lipids.

Answer:

Fats are a type of lipid.