Across
- 1. produced from a process, such as volcanic eruption.
- 5. examples are tires, plastics and debris.
- 6. Such inefficient cooking and heating practices produce high levels of household.
- 8. compounds of sulfur and oxygen molecules.
- 9. process of converting waste materials into new materials and objects.
- 11. Pollution outside the house.
- 13. a waste treatment process that involves the combustion of organic substances contained in waste materials.
- 14. All nonhazardous solid waste.
- 16. type of radiation that is produced by the sun.
- 18. portion of carbon dioxide in the atmosphere that is produced directly by human activities.
- 20. the release of radioactive substances or high-energy particles into the air, water, or earth.
- 24. any technique or method of minimizing the input of energy.
- 26. Examples are Arsenic and Beryllium.
- 28. molecule composed of three oxygen atom.
- 29. mixture of gases that are composed of nitrogen and oxygen.
- 30. making smaller amount of waste.
Down
- 2. detergent, drugs and bush.
- 3. they are form in the air when it interact or react with primary pollutants.
- 4. liquid matter suspended in the Earth's atmosphere.
- 7. refers to diffuse contamination
- 10. arsenic and selenium
- 12. substance or energy introduced into the environment that has undesired effects.
- 15. Reprocessing Recoverable materials that are organic in nature.
- 17. chemical compound with the chemical formula CH4.
- 19. enrichment of a water body with nutrients.
- 21. identifiable source such as pipe or ditch
- 22. colorless, odorless, and tasteless gas that is slightly less dense than air.
- 23. an organic compound that contains only carbon, chlorine, and fluorine.
- 25. second layer of the atmosphere.
- 27. is a site for the disposal of waste materials by burial and the oldest form of waste treatment.