Question

PLEASE HELP!!

Which substances do you think are carbohydrates?
Which substances do you think are lipids?
Which substances do you think are proteins?
(You can pick more than one. answer for each question)
A. Water.
B. Albumin.
C. Unknown substance.
D. Saliva.
E. Potato.
F. Vegetable oil.

Answer 1

F is a lipid, E is a protein and a carbohydrate
B could be considered a protein, D produces enzymes that break down carbohydrates but D by itself is none of the above.