Environment

7. Prevent erosion and abrasion on beach
12. Plastic that degrades due to exposure to sunlight
14. Activities to use something again
15. The feces from this animal can be used as biogas
17. A place can be found in neighborhoods acroos Indonesia to collect and recycle waste
20. The last place where rubbish is thrown
21. Air layers
22. Process of recycling organic trash
23. People who dedicate themselves to the environment?
24. Type of trash that can be compost

1. Related to pollution
2. What is the name of the process by which plants convert sunlight into energy?
3. Earthquake at sea
4. Technique of growing plants using a water-based nutrient
5. An overflow of water that submerges land that is usually dry
6. Nature's recyclers
8. One of the greenhouse effects
9. Crystallized sea water
10. One of the ozone destroying gases
11. The cutting out of trees that are mature or defective, or of inferior kinds to encourage the growth of the remaining trees in a forest or wood
13. Detergents waste is one example of?
16. Waste includes all type of rubbish that are flammable, toxic, corrosive and reactive
18. Burning hazardous materials equipments
19. Activities of replanting an area with trees