Question

the monomers of carbohydrates are....
nucleotides
glycerol & fatty acids
monosaccharides
amino acids

Explanation:

Carbohydrates are biological macromolecules. Their monomers (the basic building blocks) are monosaccharides. Nucleotides are the monomers of nucleic acids (like DNA and RNA). Glycerol and fatty acids are components of lipids (fats, in the case of triglycerides). Amino acids are the monomers of proteins.

Answer:

monosaccharides