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9. What would happen if unnecessary items are not kept in separate area? A. It will be sorted easily. B. It will be confused with the necessary items. C. It will be marked with red tag. D. It will be used again like the necessary items.
10. Grade 6- Kamote has loads of waste materials inside their classroom. Decide what should the class must first do? A. Throw them into the appropriate trash bin. B. Classify the waste materials. C. Decide the right place for them. D. Reuse those which can still be used.​