Answer
A
Work Step by Step
The close loop theory can be identified in this problem. Theoretically, you can keep making aluminum cans from aluminum cans.
Environmental Science for AP* (2nd Edition)
by Friedland, Andrew J.; Relyea, Rick
Published by
W. H. Freeman
ISBN 10:
1464108684
ISBN 13:
978-1-46410-868-6
Chapter 16 - Module 52 - The Three Rs and Composting - AP Review Questions - Page 567: 3
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