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ConnectorsBarishal Board 2017
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এই লেসনটি এক্সপ্লোর করছো!

প্রাকটিস শুরু করতে এবং প্রগ্রেস ট্রাক করতে লগইন করো।

লগইন করো
Water is a vital element of the environment, a this element is polluted in many ways. b , farmers use chemical fertilizers and insecticides in their field. c rain and flood wash away these chemicals, they get mixed with water in rivers, canals and ponds d pollute it. e , mills and factories throw their poisonous chemicals and waste product into water. f , water vehicles also pollute water by dumping food waste and human waste into it. g insanitary latrines and unsafe drains also contribute to water pollution. Water is called life. h we cannot allow this pollution to continue. We have to raise an awareness about it. i , laws should be enforced strictly. j we fail to check water pollution, we will suffer.