Diamond is a very expensive ornament. It is composed of a single element ___________?

ACarbon

BGold

CSilver

DPlatinum

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Correct Answer: A: Carbon

Explanation: The correct answer is A: Carbon. Diamond is composed entirely of the single element Carbon. Carbon atoms arranged in a crystal lattice structure under extreme pressure and temperature create the hardest natural substance on Earth.

Diamond is a very expensive ornament. It is composed of a single element ___________?

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