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| I think in 15 years the % of oxygen will go down and the % of other gases will go up like green house gases. | |
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| What about the % of nitrogen, how do you think that will change and how high up do you think the % of other gases will go up? | |
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| I think the % of nitrogen will go down 28% and the % of other gases will go up 39%. | |
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| Why do you think that the % of other gases will go up so much? | |
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| Because I think that their is going to be alot of polusion. | |
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| Your probaly right, but what about oxygen, how far down in % do you think it will go? | |
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