A Difficult One

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Across
  1. 1. Ones and zeros are the heroes
  2. 2. This atmospheric stuff damages our lungs
  3. 6. Manipulating the stuff of life – for the better?
  4. 7. Trees breathe out…
  5. 9. trees breathe in…
  6. 11. A piece of software that you can host on your phone, tablet or mobile device.
  7. 12. A function all helpful technologies should aspire to being – think games!
  8. 14. The study of things gone by
  9. 15. Sometimes gold or silver coloured bio indicator
Down
  1. 1. Acid The stuff of life for long.
  2. 3. Large, single elongated stemmed plant with leaves or branches
  3. 4. A number that just goes on and on, can be sweet or savory dish
  4. 5. Small unit of a living organism, we have millions of them inside!
  5. 6. Skin of large single stemmed plant can be smooth or rough
  6. 8. The study of things around us to explain the world
  7. 10. The stuff of life for short
  8. 13. Tools & methods, software & hardware created to make our lives better