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SAI ANGAN


                                               Class-3 SOCIAL SCIENCE



               Name:-                                         Class/Sec:  :-                                                           Date:-


               AIR AROUND US

               Keeping air clean: - Importance and remedies

               A. Answer the following:-

               1. What is the importance of having clean air in our atmosphere?

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               2. List 5 remedies by which we can keep the air clean.

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               3. Briefly explain why we need to keep the windows open while sleeping?

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