Read the following text: While plastics can be recycled, less than 10 percent of all plastic products used in the United States are recycled. This is because we use many types of plastics that each have different chemical compositions. Mixing plastics can cause contamination, therefore making them unsafe to use again. Plastic waste can also be contaminated by other materials such as paper and ink. Separating plastics from other materials and different types of plastic from one another is no easy task. What is the meaning of the the word compositions as it is used in this text? Colors Ingredients used to make a whole Leaders Notes used to make a piece of music