Across
- 2. The coltivation of waste land or land formerly under water.
- 4. Group of naturally occuring fibrous minerals that are resistant to heat and corrosion. It causes cancer.
- 5. Event with Magma escape.
- 7. Person obsessed with fire.
- 8. Gas produced by respiration and organic compounds. Used by plantes in photosynthesis.
- 12. The removal of contaminants from something.
- 13. A prolunged period of abnormally low rainfall, leading to a shortage of water.
- 17. Air movement.
- 18. Who causes fire.
- 23. Oily fossil fuel.
- 25. Anphibious vehicles to put out fires.
- 26. Human actions that don't effect health.
- 27. A large volcanic crater.
- 30. Waste water and excrement conveyed in sewers.
- 34. Point on the surface first hit by seismic waves.
- 35. Professional figure in the prevention and extinguishing of fires.
- 38. Substance used for fertilizing
- 40. Mass of snow falling down the valley.
- 41. Elements that a company needs to manufacture its products.
- 43. Escape from danger.
- 45. Possibility of suffering damage.
- 48. Huge waves of water resulting from underwater earthquake.
- 49. Event that causes ground movements.
- 50. Liberation from a state of suffering.
- 51. Mixture of hydrogen and carbonic monoxide.
- 53. Activity carried out to help.
Down
- 1. Destruction of forests and woods.
- 3. Column of air.
- 6. Give help.
- 9. Action that aims to reduce risk factors.
- 10. Tropical cyclone.
- 11. Animal dung used for fertilizing land.
- 14. Area of origin of earthquake.
- 15. Civil defence agency.
- 16. Fall of earthy and rocky material.
- 19. Higly toxic chemical compound.
- 20. Biological differentation.
- 21. Solid fossil fuel.
- 22. Overflowing of rivers.
- 24. People who help without compensation.
- 28. Defense of an asset.
- 29. Increase in Earth's temperature.
- 31. A change in global or regional climate patterns caused by using of fossil fuel.
- 32. Irreparable damage.
- 33. Destructing action of fire.
- 36. Misfortune.
- 37. H2O.
- 38. The three elements necessary for combustion.
- 39. A dark, thick flammable liquid from wood or coal.
- 42. Waves generating by an earthquake.
- 44. Discarded as worthless, defective, or of no use.
- 46. Contamination of natural elements, water, air and soil.
- 47. A place, person or thing from which something originates or can be obtained.
- 52. Our star.