As we continue to use the earth's resources, we are sometimes forced to consider .
The ideal substitute satisfies three requirements:
1.
2.
3.
Material
Composition
Characteristics
Possible Uses
Problems
Copper is currently used in:
Could be replaced with:
Motors
Communication equipment
House wiring
Plumbing
Roofing
Jewelry
Pots & pans
List some common metallic items that might be replaced by ceramic or plastic versions:
, ,
If silver became as common and inexpensive as copper, what uses would it most likely replace copper?
Questions? Comments??
Amanda Noland