RELATED QUESTIONS

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  If air contained nitrogen instead of oxygen then what will happen ? Air would be purified, Breathing would be easier, Life span would increase, combustion would be faster and dangerous.
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  How does the oxygen and carbon dioxide vary around the plant?
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  If possible what temperature does diamond itself melt at? and...What temperature does the surrounding air have to reach to melt the surface of diamond?
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  Would you take your kids out of school if they armed the teachers and security guards?
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  The primitive earth atmosphere is hypothesized to have consisted of: A.oxygen,nitrogen,and water vapor. B.hydrogen,methane,ammonia,and water vapor. C.amino acids,ATP,carbohydrates,and oxygen. D.helium,flourine,radon,and xenon gases.
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  Identify the error (S) in the sentence - The main benefit are absorption of carbon dioxide and production of oxygen
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  IF it was possible to dig a hole from one side of the earth to the other side, and you were to jump through the hole, how would you come out the other side?
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  How long do you think it will take Earth to run out of food and oil?
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  If the universe is so huge, there must be other planets with life, somewhere out there, right? Of all thee millions and millions of planets, it can't JUST be earth.
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  How do you extract oxygen from water?