First material known to be used by man - Practice (English) | ObjectiveMcq

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First material known to be used by man - Practice (English) | ObjectiveMcq

PracticeGeneral ScienceMaterial ScienceFirst material known to be used by ...

Material Science General ScienceEasy

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First material known to be used by man

Correct Answer:

(D) Rock

Explanation:

Rock

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