Which gas do humans need to breathe?
A) OxygenB) Carbon DioxideC) HydrogenD) Helium 👇 Comment your answer (A, B, C, or D).
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Which of these is a natural source of light?
A) CandleB) BulbC) SunD) Torch 👇 Comment your answer (A, B, C, or D). ✅ Correct Answer: C 💡 Explanation: The Sun is a natural source of light. A candle, bulb, and torch are man-made sources.
Which of these is a natural source of light?
A) CandleB) BulbC) SunD) Torch 👇 Comment your answer (A, B, C, or D).