Environmental Science 14th Edition by Tyler Miller ,Scott Spoolman

تمرين 13

Do research to determine what materials each of the following items is made of and how much of those materials are required to make each item: (a) a class ring, (b) a wide-screen plasma television screen, and (c) a large pickup truck. Also, try to determine how much water is used to make each of these items and how much waste material is produced.