Invisible carriers speed through air and space, altering life by their touch. What am I?

Category: Science · Difficulty: hard

Hint: Focus on minute entities that can spread infection between hosts without being seen.

Answer

A virus particle transmission

Explanation

Viruses travel as particles through air or contact, affecting living organisms by entering their cells.

This is a hard science riddle — a tricky one that takes a little thought. The answer is A virus particle transmission.

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