Q421
'Recycling' is a method for conserving the resources of
A.
Coal
B.
Oil
C.
Copper
AnswerD.
Limestone
Answer: Option C
Solution
Answer: Option C
Solution:
'Recycling' is a method for conserving the resources of Copper. To date only about 12% of known copper resources have been mined. However copper ore is a finite resource and it makes sense to conserve ore by recycling.