Across
- 3. This is an important water pollutant from industries. It may contain, mercury,iron,lead
- 6. The combustion of these fuels produces greenhouse gases
- 11. A chemical pollutant used in agriculture to end the plages
- 12. These chemical pollutants are the cause of the deterioration of ozone layer
- 13. It is a secondary pollutant of the air. It is the product of a reaction
- 14. Its a biological pollutant mostly present in the hospitals
- 17. It is important for agricultural but in excess can be a dangerous soil pollutant
- 19. This is a general problem due to the increment of greenhouse gases
- 20. This layer is located in the stratosphere and protect us from UV solar rays
Down
- 1. A physical pollutant that affects soil
- 2. Virus and bacteria can be classified as
- 4. The action of developing activities to restore and renovate the environment
- 5. This is a property of a sustance that causes cancer
- 7. A chemical air pollutant that produces acid rain in contact with water
- 8. A chemical pollutant usually obtained from textile industry
- 9. A characteristic of a harmful substance
- 10. This is a common accident from oil companies
- 15. An air pollutant that is the main source of greenhouse gases
- 16. a chemical artificial pollutant commonly used at home
- 18. Biological water pollutant from hospitals