Ecological problems anglų skaidrės

Ecological problems. Main ecological problems. Air pollution Water pollution Earth pollution. Air pollution. The most polluted air is when fossil fuels burning like a oil or coal. Water pollution. Mainly water polluting industries and public utilities. Increasing population, decreases cultivable lands. How to fix ecological problems? Sort refuse Use economical. Thanks for watching.
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  • 2014 m.
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  • Povilas789
  • Ecological problems anglų skaidrės
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Ecological problems anglų skaidrės. (2014 m. Birželio 01 d.). Peržiūrėta 2019 m. Vasario 18 d. 07:51