1. paper
6. Scratch paper
7. drained batteries
2. varnish
3. insecticides
8. plastic bottle
4. rubber band
9. vegetable peeling
5. bottled glass
10. old book
Directions: Write UM for useful material and HM for harmful material on the space probided before the number.
Answers & Comments
Answer:
1.um
6.um
7.hm
2.hm
3.hm
8.um
4.um
9.um
5.hm
10.um