Across
- 3. often termed ‘diffuse’ pollution, it has multiple sources
- 5. is when the environment becomes enriched with nutrients, it can cause algal blooms
- 7. Colourless, odourless gas that occurs abundantly in nature and as a product of certain human activities, it is among the most potent of the greenhouse gases
- 8. are a group of pollutants that contain both sulfur and oxygen molecules
- 9. a place where trash is buried or placed on top of the ground and is isolated from the surrounding environment
- 15. the release of radioactive substances or high-energy particles into the air, water, or earth as a result of human activity
- 17. helping the enivronment by saying no to things that you don’t need and want
- 18. are the elements, molecules and particles involved in pollution
- 19. pollutants that are formed from primary pollutants and external factors
- 20. is a single, identifiable source of pollution, such as a pipe or a drain
- 21. conversion of non-recyclable waste materials into useable heat, electricity, or fuel through a variety of processes
- 22. are a group of minerals that are harmful to plant, animal and human bodies
- 23. Second major layer of Earth's atmosphere, just above the troposphere, and below the mesosphere
- 25. reuse or recover of materials that would normally be considered waste
- 27. water pollutants that comes from man-made toxins
- 28. colorless, odorless reactive gas comprised of three oxygen atoms found naturally in the earth’s stratosphere or near the earth’s surface
- 30. litter that floats on the water surface
Down
- 1. method of disposing waste by combustion
- 2. is when pollutants from things such as gases and particles contaminate the air indoors
- 4. are a group of gases composed of nitrogen and oxygen, some are greenhouse gas that contributes to climate change
- 6. presence of solids, liquids, or gases in outdoor air that are detrimental to human health and environment
- 10. method of recycling done by decomposing the materials
- 11. human-caused air pollutants which depend on the population and various human activities
- 12. pollutants that are emitted directly into the environment
- 13. Also known as CO, is a colorless, odorless, poisonous gas product of incomplete combustion
- 14. Invisible radiation from sunlight which can cause skin cancer
- 16. using less things to help the environment
- 24. Sum of all solid and liquid particles suspended in air, many of which are hazardous
- 26. is an organic compound containing atoms of carbon, flourine and chlorine, and it poses a serious environmental threat
- 29. water pollutants that comes from natural phenomenon