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