Which macromolecules were present in the unknown solution? in the milk?

Macromolecules contain large number of atoms. Milk contains both carbohydrates and proteins, because it gave a positive result upon the addition of Benedict’s solution which indicated an orange color. It means that there is a concentration of reducing sugars in milk.

kelp are large brown algae that live in cool, relatively shallow waters close to the shore. they grow in dense groupings much like a forest on land. these underwater towers of kelp provide food and shelter for thousands of fish, invertebrates, and marine mammal species.

e) all of the above

a chain link fence because there so tiny even my albino donkey can't get out