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প্রভাষক
০৮ জুন, ২০২৪ ০৫:০৬ অপরাহ্ণ
প্রভাষক
ধরন: মাদ্রাসা শিক্ষা
শ্রেণি: একাদশ
বিষয়: English for Today
অধ্যায়: দশম অধ্যায়
Water is a vital element of environment. It's essential for humans, birds, plants and animals. The most important cause of water pollution is dumping waste into the water. Mills and factories through garbage and harmful chemicals into water. As a result people are suffering from various diseases.