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What is the hardest natural substance on Earth?

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Question: What is the hardest natural substance on Earth?

Options:

  1. Gold
  2. Iron
  3. Diamond
  4. Quartz

Correct Answer: Diamond

Solution: 

The hardest natural substance on Earth is diamond.

What is the hardest natural substance on Earth?

Practice Questions

Q1
What is the hardest natural substance on Earth?
  1. Gold
  2. Iron
  3. Diamond
  4. Quartz

Questions & Step-by-Step Solutions

What is the hardest natural substance on Earth?
No concepts available.
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