1. 1.4.8 Nutrient Recycling 1.4.9 Human Impact on an Ecosystem Follow-Me – iQuiz

2. Q. What is meant by nitrogen fixation? Amount of waste greatly reduced; Useable heat; Reduced landfill Control of fertiliser usage Decaying; Rotting Converting ammonia into nitrites and/or nitrites to nitrates Conversion of nitrogen into nitrates Harmful products produced Harmful addition to the environment by humans Fertiliser may be washed off the land; Eutrophication Decomposers Landfill sites; Sewage treatment plants; Digesters; Compost heaps Plant trees Protection, preservation and wise management of endangered plants and animals Proteins Increasing population & consumption; Too little recycling; Shortage of landfill sites Toxicity; Non-biodegradable; Pollute rivers; Availability of land-fill; Incineration causes toxins Reduce; Recycle; Re-use Recreational; Food supplies; Possible sources of drugs; Prevent extinction; Biodiversity To detect change(s) early; To remedy effect of change; To detect levels of pollutants Bacteria; Monera; Lichens; Clover; Legumes Limited supply; Reused Burning fossil fuels Organism living on host causing damage Control of mesh size

3. CONGRATULATIONS Please CLICK on THIS BOX for the Next Question

4. Q. Name an important group of biomolecules that plants make from nitrates. Amount of waste greatly reduced; Useable heat; Reduced landfill Control of fertiliser usage Decaying; Rotting Converting ammonia into nitrites and/or nitrites to nitrates Conversion of nitrogen into nitrates Harmful products produced Harmful addition to the environment by humans Fertiliser may be washed off the land; Eutrophication Decomposers Landfill sites; Sewage treatment plants; Digesters; Compost heaps Plant trees Protection, preservation and wise management of endangered plants and animals Proteins Increasing population & consumption; Too little recycling; Shortage of landfill sites Toxicity; Non-biodegradable; Pollute rivers; Availability of land-fill; Incineration causes toxins Reduce; Recycle; Re-use Recreational; Food supplies; Possible sources of drugs; Prevent extinction; Biodiversity To detect change(s) early; To remedy effect of change; To detect levels of pollutants Bacteria; Monera; Lichens; Clover; Legumes Limited supply; Reused Burning fossil fuels Organism living on host causing damage Control of mesh size

5. CONGRATULATIONS Please CLICK on THIS BOX for the Next Question

6. Q. The term used to describe micro-organisms and other organisms that return nutrients to the environment by decay is … Amount of waste greatly reduced; Useable heat; Reduced landfill Control of fertiliser usage Decaying; Rotting Converting ammonia into nitrites and/or nitrites to nitrates Conversion of nitrogen into nitrates Harmful products produced Harmful addition to the environment by humans Fertiliser may be washed off the land; Eutrophication Decomposers Landfill sites; Sewage treatment plants; Digesters; Compost heaps Plant trees Protection, preservation and wise management of endangered plants and animals Proteins Increasing population & consumption; Too little recycling; Shortage of landfill sites Toxicity; Non-biodegradable; Pollute rivers; Availability of land-fill; Incineration causes toxins Reduce; Recycle; Re-use Recreational; Food supplies; Possible sources of drugs; Prevent extinction; Biodiversity To detect change(s) early; To remedy effect of change; To detect levels of pollutants Bacteria; Monera; Lichens; Clover; Legumes Limited supply; Reused Burning fossil fuels Organism living on host causing damage Control of mesh size

7. CONGRATULATIONS Please CLICK on THIS BOX for the Next Question

8. Q. Explain the term ectoparasite. Amount of waste greatly reduced; Useable heat; Reduced landfill Control of fertiliser usage Decaying; Rotting Converting ammonia into nitrites and/or nitrites to nitrates Conversion of nitrogen into nitrates Harmful products produced Harmful addition to the environment by humans Fertiliser may be washed off the land; Eutrophication Decomposers Landfill sites; Sewage treatment plants; Digesters; Compost heaps Plant trees Protection, preservation and wise management of endangered plants and animals Proteins Increasing population & consumption; Too little recycling; Shortage of landfill sites Toxicity; Non-biodegradable; Pollute rivers; Availability of land-fill; Incineration causes toxins Reduce; Recycle; Re-use Recreational; Food supplies; Possible sources of drugs; Prevent extinction; Biodiversity To detect change(s) early; To remedy effect of change; To detect levels of pollutants Bacteria; Monera; Lichens; Clover; Legumes Limited supply; Reused Burning fossil fuels Organism living on host causing damage Control of mesh size

9. CONGRATULATIONS Please CLICK on THIS BOX for the Next Question

10. Q. What is meant by nitrification? Amount of waste greatly reduced; Useable heat; Reduced landfill Control of fertiliser usage Decaying; Rotting Converting ammonia into nitrites and/or nitrites to nitrates Conversion of nitrogen into nitrates Harmful products produced Harmful addition to the environment by humans Fertiliser may be washed off the land; Eutrophication Decomposers Landfill sites; Sewage treatment plants; Digesters; Compost heaps Plant trees Protection, preservation and wise management of endangered plants and animals Proteins Increasing population & consumption; Too little recycling; Shortage of landfill sites Toxicity; Non-biodegradable; Pollute rivers; Availability of land-fill; Incineration causes toxins Reduce; Recycle; Re-use Recreational; Food supplies; Possible sources of drugs; Prevent extinction; Biodiversity To detect change(s) early; To remedy effect of change; To detect levels of pollutants Bacteria; Monera; Lichens; Clover; Legumes Limited supply; Reused Burning fossil fuels Organism living on host causing damage Control of mesh size

11. CONGRATULATIONS Please CLICK on THIS BOX for the Next Question

12. Q. Farmers add nitrates as fertilizers to the soil, but not when heavy rain is forecast. Why not? Amount of waste greatly reduced; Useable heat; Reduced landfill Control of fertiliser usage Decaying; Rotting Converting ammonia into nitrites and/or nitrites to nitrates Conversion of nitrogen into nitrates Harmful products produced Harmful addition to the environment by humans Fertiliser may be washed off the land; Eutrophication Decomposers Landfill sites; Sewage treatment plants; Digesters; Compost heaps Plant trees Protection, preservation and wise management of endangered plants and animals Proteins Increasing population & consumption; Too little recycling; Shortage of landfill sites Toxicity; Non-biodegradable; Pollute rivers; Availability of land-fill; Incineration causes toxins Reduce; Recycle; Re-use Recreational; Food supplies; Possible sources of drugs; Prevent extinction; Biodiversity To detect change(s) early; To remedy effect of change; To detect levels of pollutants Bacteria; Monera; Lichens; Clover; Legumes Limited supply; Reused Burning fossil fuels Organism living on host causing damage Control of mesh size

13. CONGRATULATIONS Please CLICK on THIS BOX for the Next Question

14. Q. Name a group of organisms involved in nitrogen fixation. Amount of waste greatly reduced; Useable heat; Reduced landfill Control of fertiliser usage Decaying; Rotting Converting ammonia into nitrites and/or nitrites to nitrates Conversion of nitrogen into nitrates Harmful products produced Harmful addition to the environment by humans Fertiliser may be washed off the land; Eutrophication Decomposers Landfill sites; Sewage treatment plants; Digesters; Compost heaps Plant trees Protection, preservation and wise management of endangered plants and animals Proteins Increasing population & consumption; Too little recycling; Shortage of landfill sites Toxicity; Non-biodegradable; Pollute rivers; Availability of land-fill; Incineration causes toxins Reduce; Recycle; Re-use Recreational; Food supplies; Possible sources of drugs; Prevent extinction; Biodiversity To detect change(s) early; To remedy effect of change; To detect levels of pollutants Bacteria; Monera; Lichens; Clover; Legumes Limited supply; Reused Burning fossil fuels Organism living on host causing damage Control of mesh size

15. CONGRATULATIONS Please CLICK on THIS BOX for the Next Question

16. Q. Explain the term decomposition. Amount of waste greatly reduced; Useable heat; Reduced landfill Control of fertiliser usage Decaying; Rotting Converting ammonia into nitrites and/or nitrites to nitrates Conversion of nitrogen into nitrates Harmful products produced Harmful addition to the environment by humans Fertiliser may be washed off the land; Eutrophication Decomposers Landfill sites; Sewage treatment plants; Digesters; Compost heaps Plant trees Protection, preservation and wise management of endangered plants and animals Proteins Increasing population & consumption; Too little recycling; Shortage of landfill sites Toxicity; Non-biodegradable; Pollute rivers; Availability of land-fill; Incineration causes toxins Reduce; Recycle; Re-use Recreational; Food supplies; Possible sources of drugs; Prevent extinction; Biodiversity To detect change(s) early; To remedy effect of change; To detect levels of pollutants Bacteria; Monera; Lichens; Clover; Legumes Limited supply; Reused Burning fossil fuels Organism living on host causing damage Control of mesh size

17. CONGRATULATIONS Please CLICK on THIS BOX for the Next Question

18. Q. Why are elements recycled in nature? Amount of waste greatly reduced; Useable heat; Reduced landfill Control of fertiliser usage Decaying; Rotting Converting ammonia into nitrites and/or nitrites to nitrates Conversion of nitrogen into nitrates Harmful products produced Harmful addition to the environment by humans Fertiliser may be washed off the land; Eutrophication Decomposers Landfill sites; Sewage treatment plants; Digesters; Compost heaps Plant trees Protection, preservation and wise management of endangered plants and animals Proteins Increasing population & consumption; Too little recycling; Shortage of landfill sites Toxicity; Non-biodegradable; Pollute rivers; Availability of land-fill; Incineration causes toxins Reduce; Recycle; Re-use Recreational; Food supplies; Possible sources of drugs; Prevent extinction; Biodiversity To detect change(s) early; To remedy effect of change; To detect levels of pollutants Bacteria; Monera; Lichens; Clover; Legumes Limited supply; Reused Burning fossil fuels Organism living on host causing damage Control of mesh size

19. CONGRATULATIONS Please CLICK on THIS BOX for the Next Question

20. Q. What is meant by pollution? Amount of waste greatly reduced; Useable heat; Reduced landfill Control of fertiliser usage Decaying; Rotting Converting ammonia into nitrites and/or nitrites to nitrates Conversion of nitrogen into nitrates Harmful products produced Harmful addition to the environment by humans Fertiliser may be washed off the land; Eutrophication Decomposers Landfill sites; Sewage treatment plants; Digesters; Compost heaps Plant trees Protection, preservation and wise management of endangered plants and animals Proteins Increasing population & consumption; Too little recycling; Shortage of landfill sites Toxicity; Non-biodegradable; Pollute rivers; Availability of land-fill; Incineration causes toxins Reduce; Recycle; Re-use Recreational; Food supplies; Possible sources of drugs; Prevent extinction; Biodiversity To detect change(s) early; To remedy effect of change; To detect levels of pollutants Bacteria; Monera; Lichens; Clover; Legumes Limited supply; Reused Burning fossil fuels Organism living on host causing damage Control of mesh size

21. CONGRATULATIONS Please CLICK on THIS BOX for the Next Question

22. Q. Give an example of a human activity that results in the pollution of air. Amount of waste greatly reduced; Useable heat; Reduced landfill Control of fertiliser usage Decaying; Rotting Converting ammonia into nitrites and/or nitrites to nitrates Conversion of nitrogen into nitrates Harmful products produced Harmful addition to the environment by humans Fertiliser may be washed off the land; Eutrophication Decomposers Landfill sites; Sewage treatment plants; Digesters; Compost heaps Plant trees Protection, preservation and wise management of endangered plants and animals Proteins Increasing population & consumption; Too little recycling; Shortage of landfill sites Toxicity; Non-biodegradable; Pollute rivers; Availability of land-fill; Incineration causes toxins Reduce; Recycle; Re-use Recreational; Food supplies; Possible sources of drugs; Prevent extinction; Biodiversity To detect change(s) early; To remedy effect of change; To detect levels of pollutants Bacteria; Monera; Lichens; Clover; Legumes Limited supply; Reused Burning fossil fuels Organism living on host causing damage Control of mesh size

23. CONGRATULATIONS Please CLICK on THIS BOX for the Next Question

24. Q. Explain conservation in relation to wild plants and animals. Amount of waste greatly reduced; Useable heat; Reduced landfill Control of fertiliser usage Decaying; Rotting Converting ammonia into nitrites and/or nitrites to nitrates Conversion of nitrogen into nitrates Harmful products produced Harmful addition to the environment by humans Fertiliser may be washed off the land; Eutrophication Decomposers Landfill sites; Sewage treatment plants; Digesters; Compost heaps Plant trees Protection, preservation and wise management of endangered plants and animals Proteins Increasing population & consumption; Too little recycling; Shortage of landfill sites Toxicity; Non-biodegradable; Pollute rivers; Availability of land-fill; Incineration causes toxins Reduce; Recycle; Re-use Recreational; Food supplies; Possible sources of drugs; Prevent extinction; Biodiversity To detect change(s) early; To remedy effect of change; To detect levels of pollutants Bacteria; Monera; Lichens; Clover; Legumes Limited supply; Reused Burning fossil fuels Organism living on host causing damage Control of mesh size

25. CONGRATULATIONS Please CLICK on THIS BOX for the Next Question

26. Q. State one conservation practice from agriculture. Amount of waste greatly reduced; Useable heat; Reduced landfill Control of fertiliser usage Decaying; Rotting Converting ammonia into nitrites and/or nitrites to nitrates Conversion of nitrogen into nitrates Harmful products produced Harmful addition to the environment by humans Fertiliser may be washed off the land; Eutrophication Decomposers Landfill sites; Sewage treatment plants; Digesters; Compost heaps Plant trees Protection, preservation and wise management of endangered plants and animals Proteins Increasing population & consumption; Too little recycling; Shortage of landfill sites Toxicity; Non-biodegradable; Pollute rivers; Availability of land-fill; Incineration causes toxins Reduce; Recycle; Re-use Recreational; Food supplies; Possible sources of drugs; Prevent extinction; Biodiversity To detect change(s) early; To remedy effect of change; To detect levels of pollutants Bacteria; Monera; Lichens; Clover; Legumes Limited supply; Reused Burning fossil fuels Organism living on host causing damage Control of mesh size

27. CONGRATULATIONS Please CLICK on THIS BOX for the Next Question

28. Q. Suggest two reasons for conserving wild species. Amount of waste greatly reduced; Useable heat; Reduced landfill Control of fertiliser usage Decaying; Rotting Converting ammonia into nitrites and/or nitrites to nitrates Conversion of nitrogen into nitrates Harmful products produced Harmful addition to the environment by humans Fertiliser may be washed off the land; Eutrophication Decomposers Landfill sites; Sewage treatment plants; Digesters; Compost heaps Plant trees Protection, preservation and wise management of endangered plants and animals Proteins Increasing population & consumption; Too little recycling; Shortage of landfill sites Toxicity; Non-biodegradable; Pollute rivers; Availability of land-fill; Incineration causes toxins Reduce; Recycle; Re-use Recreational; Food supplies; Possible sources of drugs; Prevent extinction; Biodiversity To detect change(s) early; To remedy effect of change; To detect levels of pollutants Bacteria; Monera; Lichens; Clover; Legumes Limited supply; Reused Burning fossil fuels Organism living on host causing damage Control of mesh size

29. CONGRATULATIONS Please CLICK on THIS BOX for the Next Question

30. Q. State one conservation practice from fisheries. Amount of waste greatly reduced; Useable heat; Reduced landfill Control of fertiliser usage Decaying; Rotting Converting ammonia into nitrites and/or nitrites to nitrates Conversion of nitrogen into nitrates Harmful products produced Harmful addition to the environment by humans Fertiliser may be washed off the land; Eutrophication Decomposers Landfill sites; Sewage treatment plants; Digesters; Compost heaps Plant trees Protection, preservation and wise management of endangered plants and animals Proteins Increasing population & consumption; Too little recycling; Shortage of landfill sites Toxicity; Non-biodegradable; Pollute rivers; Availability of land-fill; Incineration causes toxins Reduce; Recycle; Re-use Recreational; Food supplies; Possible sources of drugs; Prevent extinction; Biodiversity To detect change(s) early; To remedy effect of change; To detect levels of pollutants Bacteria; Monera; Lichens; Clover; Legumes Limited supply; Reused Burning fossil fuels Organism living on host causing damage Control of mesh size

31. CONGRATULATIONS Please CLICK on THIS BOX for the Next Question

32. Q. Outline the problems associated with the disposal of waste. Amount of waste greatly reduced; Useable heat; Reduced landfill Control of fertiliser usage Decaying; Rotting Converting ammonia into nitrites and/or nitrites to nitrates Conversion of nitrogen into nitrates Harmful products produced Harmful addition to the environment by humans Fertiliser may be washed off the land; Eutrophication Decomposers Landfill sites; Sewage treatment plants; Digesters; Compost heaps Plant trees Protection, preservation and wise management of endangered plants and animals Proteins Increasing population & consumption; Too little recycling; Shortage of landfill sites Toxicity; Non-biodegradable; Pollute rivers; Availability of land-fill; Incineration causes toxins Reduce; Recycle; Re-use Recreational; Food supplies; Possible sources of drugs; Prevent extinction; Biodiversity To detect change(s) early; To remedy effect of change; To detect levels of pollutants Bacteria; Monera; Lichens; Clover; Legumes Limited supply; Reused Burning fossil fuels Organism living on host causing damage Control of mesh size

33. CONGRATULATIONS Please CLICK on THIS BOX for the Next Question

34. Q. State one conservation practice from forestry. Amount of waste greatly reduced; Useable heat; Reduced landfill Control of fertiliser usage Decaying; Rotting Converting ammonia into nitrites and/or nitrites to nitrates Conversion of nitrogen into nitrates Harmful products produced Harmful addition to the environment by humans Fertiliser may be washed off the land; Eutrophication Decomposers Landfill sites; Sewage treatment plants; Digesters; Compost heaps Plant trees Protection, preservation and wise management of endangered plants and animals Proteins Increasing population & consumption; Too little recycling; Shortage of landfill sites Toxicity; Non-biodegradable; Pollute rivers; Availability of land-fill; Incineration causes toxins Reduce; Recycle; Re-use Recreational; Food supplies; Possible sources of drugs; Prevent extinction; Biodiversity To detect change(s) early; To remedy effect of change; To detect levels of pollutants Bacteria; Monera; Lichens; Clover; Legumes Limited supply; Reused Burning fossil fuels Organism living on host causing damage Control of mesh size

35. CONGRATULATIONS Please CLICK on THIS BOX for the Next Question

36. Q. Suggest two ways of minimising waste. Amount of waste greatly reduced; Useable heat; Reduced landfill Control of fertiliser usage Decaying; Rotting Converting ammonia into nitrites and/or nitrites to nitrates Conversion of nitrogen into nitrates Harmful products produced Harmful addition to the environment by humans Fertiliser may be washed off the land; Eutrophication Decomposers Landfill sites; Sewage treatment plants; Digesters; Compost heaps Plant trees Protection, preservation and wise management of endangered plants and animals Proteins Increasing population & consumption; Too little recycling; Shortage of landfill sites Toxicity; Non-biodegradable; Pollute rivers; Availability of land-fill; Incineration causes toxins Reduce; Recycle; Re-use Recreational; Food supplies; Possible sources of drugs; Prevent extinction; Biodiversity To detect change(s) early; To remedy effect of change; To detect levels of pollutants Bacteria; Monera; Lichens; Clover; Legumes Limited supply; Reused Burning fossil fuels Organism living on host causing damage Control of mesh size

37. CONGRATULATIONS Please CLICK on THIS BOX for the Next Question

38. Q. Give an example of the use of micro-organisms in waste management. Amount of waste greatly reduced; Useable heat; Reduced landfill Control of fertiliser usage Decaying; Rotting Converting ammonia into nitrites and/or nitrites to nitrates Conversion of nitrogen into nitrates Harmful products produced Harmful addition to the environment by humans Fertiliser may be washed off the land; Eutrophication Decomposers Landfill sites; Sewage treatment plants; Digesters; Compost heaps Plant trees Protection, preservation and wise management of endangered plants and animals Proteins Increasing population & consumption; Too little recycling; Shortage of landfill sites Toxicity; Non-biodegradable; Pollute rivers; Availability of land-fill; Incineration causes toxins Reduce; Recycle; Re-use Recreational; Food supplies; Possible sources of drugs; Prevent extinction; Biodiversity To detect change(s) early; To remedy effect of change; To detect levels of pollutants Bacteria; Monera; Lichens; Clover; Legumes Limited supply; Reused Burning fossil fuels Organism living on host causing damage Control of mesh size

39. CONGRATULATIONS Please CLICK on THIS BOX for the Next Question

40. Q. Give an advantage for the incineration of domestic waste. Amount of waste greatly reduced; Useable heat; Reduced landfill Control of fertiliser usage Decaying; Rotting Converting ammonia into nitrites and/or nitrites to nitrates Conversion of nitrogen into nitrates Harmful products produced Harmful addition to the environment by humans Fertiliser may be washed off the land; Eutrophication Decomposers Landfill sites; Sewage treatment plants; Digesters; Compost heaps Plant trees Protection, preservation and wise management of endangered plants and animals Proteins Increasing population & consumption; Too little recycling; Shortage of landfill sites Toxicity; Non-biodegradable; Pollute rivers; Availability of land-fill; Incineration causes toxins Reduce; Recycle; Re-use Recreational; Food supplies; Possible sources of drugs; Prevent extinction; Biodiversity To detect change(s) early; To remedy effect of change; To detect levels of pollutants Bacteria; Monera; Lichens; Clover; Legumes Limited supply; Reused Burning fossil fuels Organism living on host causing damage Control of mesh size

41. CONGRATULATIONS Please CLICK on THIS BOX for the Next Question

42. Q. Suggest why continual monitoring of the environment is valuable. Amount of waste greatly reduced; Useable heat; Reduced landfill Control of fertiliser usage Decaying; Rotting Converting ammonia into nitrites and/or nitrites to nitrates Conversion of nitrogen into nitrates Harmful products produced Harmful addition to the environment by humans Fertiliser may be washed off the land; Eutrophication Decomposers Landfill sites; Sewage treatment plants; Digesters; Compost heaps Plant trees Protection, preservation and wise management of endangered plants and animals Proteins Increasing population & consumption; Too little recycling; Shortage of landfill sites Toxicity; Non-biodegradable; Pollute rivers; Availability of land-fill; Incineration causes toxins Reduce; Recycle; Re-use Recreational; Food supplies; Possible sources of drugs; Prevent extinction; Biodiversity To detect change(s) early; To remedy effect of change; To detect levels of pollutants Bacteria; Monera; Lichens; Clover; Legumes Limited supply; Reused Burning fossil fuels Organism living on host causing damage Control of mesh size

43. CONGRATULATIONS Please CLICK on THIS BOX for the Next Question

44. Q. Give a disadvantage for the incineration of domestic waste. Amount of waste greatly reduced; Useable heat; Reduced landfill Control of fertiliser usage Decaying; Rotting Converting ammonia into nitrites and/or nitrites to nitrates Conversion of nitrogen into nitrates Harmful products produced Harmful addition to the environment by humans Fertiliser may be washed off the land; Eutrophication Decomposers Landfill sites; Sewage treatment plants; Digesters; Compost heaps Plant trees Protection, preservation and wise management of endangered plants and animals Proteins Increasing population & consumption; Too little recycling; Shortage of landfill sites Toxicity; Non-biodegradable; Pollute rivers; Availability of land-fill; Incineration causes toxins Reduce; Recycle; Re-use Recreational; Food supplies; Possible sources of drugs; Prevent extinction; Biodiversity To detect change(s) early; To remedy effect of change; To detect levels of pollutants Bacteria; Monera; Lichens; Clover; Legumes Limited supply; Reused Burning fossil fuels Organism living on host causing damage Control of mesh size

45. CONGRATULATIONS Please CLICK on THIS BOX for the Next Question

46. Q. Give an example of a human activity that results in the pollution of water. Amount of waste greatly reduced; Useable heat; Reduced landfill Control of fertiliser usage Decaying; Rotting Converting ammonia into nitrites and/or nitrites to nitrates Conversion of nitrogen into nitrates Harmful products produced Harmful addition to the environment by humans Fertiliser may be washed off the land; Eutrophication Decomposers Landfill sites; Sewage treatment plants; Digesters; Compost heaps Plant trees Protection, preservation and wise management of endangered plants and animals Proteins Increasing population & consumption; Too little recycling; Shortage of landfill sites Toxicity; Non-biodegradable; Pollute rivers; Availability of land-fill; Incineration causes toxins Reduce; Recycle; Re-use Recreational; Food supplies; Possible sources of drugs; Prevent extinction; Biodiversity To detect change(s) early; To remedy effect of change; To detect levels of pollutants Bacteria; Monera; Lichens; Clover; Legumes Limited supply; Reused Burning fossil fuels Organism living on host causing damage Control of mesh size

47. CONGRATULATIONS Please CLICK on THIS BOX for the Next Question

48. Q. Why is waste management becoming an increasingly difficult problem? Amount of waste greatly reduced; Useable heat; Reduced landfill Control of fertiliser usage Decaying; Rotting Converting ammonia into nitrites and/or nitrites to nitrates Conversion of nitrogen into nitrates Harmful products produced Harmful addition to the environment by humans Fertiliser may be washed off the land; Eutrophication Decomposers Landfill sites; Sewage treatment plants; Digesters; Compost heaps Plant trees Protection, preservation and wise management of endangered plants and animals Proteins Increasing population & consumption; Too little recycling; Shortage of landfill sites Toxicity; Non-biodegradable; Pollute rivers; Availability of land-fill; Incineration causes toxins Reduce; Recycle; Re-use Recreational; Food supplies; Possible sources of drugs; Prevent extinction; Biodiversity To detect change(s) early; To remedy effect of change; To detect levels of pollutants Bacteria; Monera; Lichens; Clover; Legumes Limited supply; Reused Burning fossil fuels Organism living on host causing damage Control of mesh size

49. CONGRATULATIONS You’re Brilliant

50. Incorrect Please CLICK on THIS BOX to Try Again