VII. Directions: Read each paragraph carefully and choose the best title for it. Write the letter of the correct answer on the space provided. 31. Most plastics are largely made from chemicals obtained from petroleum Coal, Limestone, salt, and water are also used. Plastics can be hard, soft, or runny. They can be made to look like glass, metal, wood, or other substances, A What Plastics Are Made Of B. Chemicals from Plastics C. How Plastics Look Like D. The Uses of Plastics​