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Ages 18+Ages 12–15 Ages 10–12 Ages 7–9 Ages 4–6

Trivia · Ages 10–12

Riddle #127

What is the hardest naturally occurring substance on Earth?

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Answer: Diamond

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More Trivia riddles for Ages 10–12

#128 What is the chemical formula for water?
#129 About how many teeth does an adult human have, including wisdom teeth?
#130 What is the tallest land animal in the world?

All Ages 10–12 riddles

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