Question

the building blocks of carbohydrates are _____.
vitamins
nucleotides
amino acids
sugars
fats

Explanation:

Carbohydrates are composed of sugar units. Vitamins are organic compounds needed in small amounts for various bodily functions. Nucleotides are building - blocks of nucleic acids. Amino acids are building - blocks of proteins. Fats are a type of lipid.

Answer:

Sugars