Answer:1. Which materials are reusable?- Old clothes- Plastic envelopes- Barbie dolls- Bags (shoulder/body)- Dirty pencil case- Headbands- Rubber shoes2. Which materials are repairable?- Dirty pencil case- Rubber shoes- Bags (shoulder/body)- Headbands3. What will you do with the recyclable materials?- Recyclable materials like old newspapers, tin cans, and old books and magazines can be sorted and taken to recycling centers, or they can be reused creatively for home projects or donations to schools and libraries.4. What is the best way to do with the reusable materials at home?- Reusable materials can be cleaned, organized, and used again for their original purpose, donated to others who may need them, or upcycled into new and creative items.5. Why should you not pile up discarded or unwanted materials at home?- Piling up discarded or unwanted materials can lead to clutter, which makes it difficult to maintain cleanliness and organization. It can also become a fire hazard or breeding ground for pests, and it may contribute to environmental waste if not disposed of properly.