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Are metals a renewable resources ? If no...

Are metals a renewable resources ? If not, can they be recycled ?

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Metals are extrated from naturaly occurring minerals in the earth.s crust. No new minerals are formed in place of the used ones. Hence, metals are non-renewable resources. Metals like gold, silver, copper are recycled and not thrown away. Recycling does not cause any change in strength or quality of the metal. Aluminium and steel cans which are thrown away after use, should also be recycled since metals are non-biodegradable.
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