Across
- 2. it is the destruction of big areas of forest
- 4. it refers to the to the left over vegtables animals fish and other food material
- 6. these are diverse underwater ecosystem built from calcium carbonate secreted by corals
- 8. residue from fire used for cooking and heating from on site incineration
- 9. these are consist of human waste normally wrapped and thrown into sidewalks and streets
- 10. any alteration of the physical chemical biological properties of a body of water resulting in the impairment of its purity or quality
- 12. these are waste materials that are recyclable
- 13. any alteration of the physical chemical and biological properties of water air or land resources
- 14. it is chiefly caused by chemicals in pesticides such as poisons that are used to kill agricultural pest
- 15. it happens when soil and rock are moved from one place to another by wind and water and gravity
Down
- 1. it is the act or process of damaging the coral reef
- 3. it is a sudden flood of a great volume usually caused by heavy rain
- 5. it is the extraction of valuable minerals or other geological materials from the earth quality
- 7. it is the excessive sound that causes hearing loss stress fatigue irritability tension headache and high blood pressure
- 11. any alteration of the physical chemical biological properties of the atmospheric air
