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1.what is the occasion in a picture A and B.
2. what are the changes shown in each picture.
3.is it useful or harmful to the environment.
4. in what way it is useful to the environment .
5.in what way it is harmful to the environment.​


1what Is The Occasion In A Picture A And B2 What Are The Changes Shown In Each Picture3is It Useful Or Harmful To The Environment4 In What Way It Is Useful To T class=