Environment 3

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Across
  1. 3. no longer existing
  2. 5. of, relating to, or using the natural heat produced inside the Earth
  3. 7. damage caused to water, air.... by harmful substances or waste
  4. 8. strong, unpleasant and sometimes dangerous gas or smoke
  5. 9. a sudden violent movement of the Earth's surface, sometimes causing great damage
  6. 10. an extremely large wave caused by movement of the earth under the sea, often caused by an earthquake (= when the Earth shakes)
Down
  1. 1. a long period when there is little or no rain
  2. 2. something (such as a leaf, skeleton, or footprint) that is from a plant or animal which lived in ancient times and that you can see in some rocks
  3. 3. the state or situation that results when something (such as a plant or animal species) has died out completely
  4. 4. a large amount of water covering an area that is usually dry
  5. 6. unwanted matter or material of any type, often that which is left after useful substances or parts have been removed
  6. 8. a material (such as coal, oil, or gas) that is burned to produce heat or power