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Fill in the Blanks :1. Environment has been divided in ......... sphere.2. ........... portion of earth has been covered by hydrosphere.3. ........... is a human made environment,4. On ........... june every year world environment day is celebrated.5. ............. environment is the world of nonliving things. |
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Answer» 1. Four 2. Three fourth 3. Road 4. 5 5. Biotic. |
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