I am the building block of everything, yet I can be a gas, a liquid, or a solid. What am I?
Category: Science · Difficulty: medium
Hint: Think about what makes up all matter in the universe.
Answer
A chemical
Explanation
An atom is the smallest unit of matter and can exist in various states—solid, liquid, or gas—depending on the conditions.
This is a medium science riddle — a moderate challenge for most people. The answer is A chemical.
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