Which element, essential for respiration and combustion, has the atomic number 8 and a crucial role in sustaining life?
Category: Science · Difficulty: expert
Hint: It’s what you breathe in.
Answer
Oxygen
Explanation
Oxygen is vital for aerobic respiration and combustion, represented by the symbol 'O' with atomic number 8.
This is a expert science riddle — one of the harder riddles here. The answer is Oxygen.
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