CUIZ-FACT-061F7AF3
easy
General Knowledge
✓ Fact-Verified
What is the hardest natural substance on Earth?
Verified Answer
Quartz
Quiz Options
- Quartz
- Steel
- Diamond
- Titanium
Explanation & Context
Diamond is a solid form of the element carbon with its atoms arranged in a crystal structure called diamond cubic. It is extremely hard.
Also Asked As / Semantic Queries
"Which is the hardest natural substance on Earth?"
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