Oxygen is needed for combustion and hydrogen is a combustible gas, but together they make up water, which not only does not burn, but is also able to put out the fire.
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The human eye can see up to 48 kilometers away
If the Earth were completely flat, we could clearly see the flickering of a candle up to 48 kilometers away.
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If the Earth were completely flat, we could clearly see the flickering of a candle up to 48 kilometers away.
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