which describes human - made polymers?\no synthetic\no subunit\no natural\no macromolecule

which describes human - made polymers?\no synthetic\no subunit\no natural\no macromolecule
Answer
Answer:
A. synthetic
Brief Explanations:
Human - made polymers are called synthetic polymers. They are created through chemical synthesis processes, differentiating them from natural polymers which occur in nature. Subunit refers to a part of a polymer, natural polymers are not human - made, and macromolecule is a general term that includes both natural and synthetic polymers.