Is Oxygen poisonous?
It is a vital source of life. We need it for all living things /organisms survival. From lighting a candle to cook food, for a bonfire; we need fire and this can happen when the gaseous substance oxygen is present. So, we can imagine how drastic the life would be without oxygen. Now, some of our friends might thought it would be good to have enough pure oxygen on Earth. But it is not good. If…
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