8. Selling of old newspaper or notepads is what kind of 5R's?
A. Reuse
B. Reduce
C. Recycle
D. Rot.
9. Using of egg trays for growing plants is what kind of 5R's.
A. Reuse
B. Reduce
C. Recycle
D. Rot.
10. Fixing of clothes is what kind of 5R's?
A. Reuse
B. Repair
C. Recycle
D. Rot.
11 Ising of eco had when​