10. The following is a polymer called polystyrene. KO ( ) a) Draw the monomer in polystyrene. b) What type of polymerization reaction occurs to form this polymer? Explain how you know. 11. There are also many examples of natural polymers. Cellulose is a polymer in plants. It gives plants their structure and makes up the fibre in our diets. It is composed of repeating units of a molecule called glucose. A small section of the structure of cellulose is shown below. The red arrows show where glucose molecules are linked together. a) Why is cellulose a polymer? b) What is the monomer of cellulose? 12. Choose one product made of an organic compound that you use. a) Describe one benefit and one concern about the use of this product. b) Has considering the pros and cons of using this product changed your mind about using it? Explain why or why not