I am found in the air yet breathe no life, I can make you float or lead to strife. What am I?

Category: Science · Difficulty: hard

Hint: I am essential for respiration and combustion.

Answer

Airborne gas

Explanation

Oxygen is crucial for life and combustion; it can lead to floating in helium balloons or danger in fire.

This is a hard science riddle — a tricky one that takes a little thought. The answer is Airborne gas.

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