The correct answer is D. acetone.
Acetone is the most common ingredient in nail polish remover. It is a colorless, flammable liquid that is used to dissolve nail polish. Acetone is also used in other products, such as paint thinner, varnish remover, and glue remover.
Benzene is a colorless, flammable liquid that is used in gasoline, rubber, and plastics. Benzene is a known carcinogen and can cause cancer.
Formaldehyde is a colorless, flammable gas that is used in embalming fluid, pesticides, and resins. Formaldehyde is a known carcinogen and can cause cancer.
Acetic acid is a colorless, pungent liquid that is used in vinegar. Acetic acid is not a carcinogen.
It is important to note that nail polish remover can be harmful if swallowed or inhaled. It is also important to avoid getting nail polish remover in your eyes. If you get nail polish remover in your eyes, rinse them immediately with water for 15 minutes.