Презентация по английскому языку на тему" Water resources of Mordovia" (II курс)

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  The most polluted rivers are the Insar and the Nuya. They were included into a list of the most polluted rivers of Russia. The Insar is less polluted. Its polluting index is 5,8 – 6,4. Every year 45 million of cube meters of muddy water is thrown out into the river.
  

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  The index of water pollution of the Nuya is 9. The main accuser of polluting of this river is Chamzinka-Komsomolsky plant and the first of being guilty is Alekseyeski cement plant.
  

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  The contamination by organic substances of the Insar exceeds allowable norms in 16 times, petroleum - in 10, salts of iron - in 2, fluorine - in 2,5 times.
  
  

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