I am the smallest unit of matter, yet I can combine to form everything around you. What am I?

Category: Science · Difficulty: medium

Hint: I make up everything, from air to solids.

Answer

Atom

Explanation

Atoms are the fundamental units of matter, combining to form molecules and all substances in the universe.

This is a medium science riddle — a moderate challenge for most people. The answer is Atom.

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