Environment video vocabulary

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Across
  1. 4. a new method, idea
  2. 5. not even or regular in pattern or movement; unpredictable.
  3. 6. a prolonged period of abnormally low rainfall, leading to a shortage of water
  4. 7. increase very steeply or rapidly.
  5. 9. having a great deal of money; wealthy
Down
  1. 1. the envelope of gases surrounding the earth or another planet.
  2. 2. a slowly moving mass or river of ice formed by the accumulation and compaction of snow on mountains or near the poles
  3. 3. the basic physical and organisational structures and facilities needed for the operation of a society or enterprise
  4. 8. not hopeful or encouraging; unlikely to have a favourable outcome
  5. 10. extreme scarcity of food.
  6. 11. prevent someone from accomplishing something