The hardest substance available on earth is
A. Gold
B. Iron
C. Diamond
D. Platinum
Answer: Option C
Solution(By Examveda Team)
Diamond is regarded to be the hardest known material in the world.Join The Discussion
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Related Questions on General Science
The tree which sends down roots from its branches to the soil is known as:
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A. Oxygen
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C. Carbon dioxide
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DIAMOND IS MADE FROM CARBON.