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Across 7. Nuclear energy depends on this atomic process. 9. Renewable energy is more ??? 10. This period occurred about 350 million years ago and lasted about 150 million years during which time plant and animal waste accumulated in the crust. 13. This Iranian city devastated by an earthquake in 2003 is close to several plates coming together. 17. This region produces the most oil (two words) 19. Some of these resources are threatened by overuse. 20. The movement of people towards cities 24. People close to this area of an earthquake are likely to be most impacted. 26. These minerals include ferrous, non-ferrous and precious types. 28. this part of the crust gains new material from organic decomposition. 33. These are the unexploited stocks of a mineral. 35. wood, dung and crop waste 36. The crust floats on this. 37. This poison and asbestos are two of the main contaminants from some mining processes. 39. This part of Australia is known for its coal deposits.

Down 1. best soil for farming 2. Japanese city struck by an earthquake in 1995. 3. Though still in its infancy this element is looked to as a future major energy supply. 4. Mining can shorten this amongst affected communities. (2 words) 5. These tectonic plates move next to each other and can build up stress. 6. In order to use land affected by mining again this process is important. 8. these and phosphates are two ingredients of fertilizers, but can lead to eutrophication. 11. This LEDC country suffers from water pollution from numerous sources. 12. This nuclear plant in the Ukraine experienced an explosion in 1986. 14. These old rocks have had their structure changed. 15. This is a risk if coal is mined too deep. 16. This quality of soil affects how well plants can grow in it due to aeration, nutrients etc 18. Along with supply this can fluctuate. 21. Stocks of this metal might last to 2060 22. Such foundations help buildings be more resilient to earthquakes. 23. Volcanoes offer these as well as negative impacts. 25. Salinization leads to the build up of this in soil with negative impacts. 27. Burning this is a controversial energy option. 29. This kind of mining leaves holes and heaps 30. HEP projects can destroy this. 31. mineral used in pottery and brick-making 32. Originally made from burnt wood this is now used to make fertilizer and explosives. 34. This global problem is a result of burning fossil fuels 38. The colour of iron-rich soil.