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  • Corrected
    0 voted
    May 17, 2018
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  • Corrected
    0 voted
    May 17, 2018
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  • Corrected
    0 voted
    May 17, 2018
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  • Posted
    troposphere It's the lower range inhabited by man. Has avarage thinckeness of 10km and is composed of gases with predominance of nitrogen and the oxygen. In this layer meteorological phenomena stand out
    May 17, 2018
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  • Posted
    because ou why ? what's the difference? i got it
    May 15, 2018
    5
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