Across
- 5. URBAN AREA FORMED WHEN TWO OR MORE CITIES MERGE INTO ONE ANOTHER
- 6. (R) ONE WAY TO DEAL WITH OIL SPILLS
- 7. FISHING NET THAT HAS BEEN LOST, ABANDONED OR DISCARDED AT SEA
- 8. MAKES UP 90% OF THE MOVEMENT IN THE OCEAN
- 9. A CITY THAT IS CONSIDERED TO PLAY A LARGE ROLE IN THE WORLD'S ECONOMY
- 13. BOATS USE THIS TO SKIM OIL OF THE WATER'S SURFACE
- 14. THE EARTH'S WATER
- 15. ALL PLANTS AND ANIMAL
Down
- 1. (P) ONE WAY TO DEAL WITH OIL SPILLS
- 2. THE CHEMICAL BREAKDOWN OF OIL BY SUNLIGHT OR BACTERIA
- 3. USING MICROORGANISMS AND FERTILISERS TO BREAK DOWN OIL IN WATER
- 4. UNLIKE MOST LITTER, PLASTICS ARE GENERALLY NOT ___
- 10. THE EARTH'S SURFACE AND SOILS
- 11. THE EARTH'S AIR
- 12. PROJECT THAT HAS BEEN PROPOSED TO REDUCE FLOODING IN VENICE