Across
- 4. The introduction of non-native species that harm the environment
- 6. The contamination of water by harmful substances
- 8. A type of pollution caused by loud noises from vehicles or machinery
- 10. A type of pollution caused by the release of harmful chemicals into the air
Down
- 1. Waste material that pollutes the oceans and harms marine life
- 2. Dark stain on the ocean’s surface answer
- 3. The permanent destruction of natural forests
- 5. A sudden of water caused by heavy rain or broken dam
- 7. The loss of plant and animal species from Earth
- 9. A long period of abnormally dry weather