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১৮ মে, ২০২০ ০৬:২১ অপরাহ্ণ

Environmental Pollution (class Nine-Ten) Unit-5,Lesson-2

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Environmental Pollution (class Nine-Ten) Unit-5,Lesson-2 

Learning Outcomes:

after completing the lesson students will be able to……

1.identity the sources of air pollution, water pollution and soil pollution.
2.read and understand texts

3.ask and answer questions.