1 is correct: Cigarette butts are a persistent of toxic plastic pollution. Tobacco product waste contains over 7000 toxic chemicals, including human carcinogens. Cigarette filters are made of acetate and therefore also contribute to plastic pollution 2 is correct: Many eyeglass lenses are made of CR-39, also known as Columbia resin #39, is a plastic material used in lenses. Other plastics polycarbonate and Trivex are also used, each with own properties. Plastic lenses offer advantages like lightweight and less prone to shattering to traditional glass lenses. 3 is correct: Tyre particles are a significant but contributor to microplastic pollution. account for 28% of microplastics entering the globally. option (c) is the correct answer.