alleryWhich pair of non-renewable resources cannot be recycled?
AGold and silver
BIron and copper
CCoal and petroleum
DAluminium and zinc
Answer & Solution
Correct answer: C. Coal and petroleum
1. Metallic minerals can be reused by recycling them.
2. Coal and petroleum are burned as fuel and cannot be recycled.
3. So the metal pairs are wrong.
_Source: Wikipedia, Natural resource, Classification, Renewability/exhaustibility_
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