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Across 5. Amout of people in a place 7. Which means decrease seriously 15. Which means poisonous 16. The natural environment for organisms 17. Substances found in the sewage 19. Being extinct 21. Fishing Method that stir up the bottom sediments and unwanted sea animals will be caught 25. The production of crops, livestock, or poultry 28. Wealth 29. The chain from a food source to the ultimate consumer 30. Substance which would be found in waste water 31. One of the reasons causing ocean in trouble 34. Catching fish at the rate faster than they reproduce, which cause depletion of fish stock 35. A level of subsistence and comfort in everyday life enjoyed 38. Substance which cause explosion and will damage the coral reefs and kill many organisms 39. Mud in the sea bed 40. Tools commonly used in fishing 41. The waste matter 42. Needs 43. An example of rubbish, made of plastic 44. Worthless, unwanted material that is rejected 45. The sailing of vessel

Down 1. Substance which could find excess fertilizers and heavy metals 2. The introduction of harmful substances or products into the environment 3. Same meaning of "non-targeted" 4. The act or process of reclaiming 6. Industrial management 8. This could kill many marine organisms but common in households 9. Animals raised on a farm or ranch 10. Tools commonly used in fishing 11. The natural habitat of clownfishs 12. Substances produced by or used in a chemical process 13. A kind of pollutants which means crude petroleum 14. Which are under the threat of extinction 18. Using this kind of chemical could accumulate in the food chain and affect man's helath 20. A large ship for transporting oil 22. Surroundings in ocean 23. Activity which drill for natural resources such as oil and minerals 24. A kind of chemical which is explosive and toxic 26. Substance which cause pollution such as lead, sodium, copper 27. Stirred up by using bottom trawling and will block the gills of fish and the sunlight. Also it contains toxic heavy metals 32. Substance used to fertilize the soil 33. A kind of pollutants which bacteria would be found 36. Application which has been improved in fishing 37. A domestic unit