Many communities throughout the world are involved in recycling. One of the most important classes of materials recycled is plastic. There has been concern that the cost of recycling plastics is higher than the cost of making new plastic products. Go to the Internet and

a. Identify the kinds of plastics that are commonly recycled.

b. Explain how a plastic such as HDPE is recycled.

c. Present arguments for eliminating the recycling of HDPE and for expanding the recycling of HDPE.