Solar cooking

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Across
  1. 3. is a meeting of people to lean more about a particular subject.
  2. 7. either one of the two organs that people and animals use to breathe air
  3. 8. oe of the people who started an organisation; the first in group
  4. 9. a piece of kitchen equipment, usually containing an oven, used to cook food.
  5. 10. the degree of thickness, softness, etc.
  6. 13. turn from a solid into something soft or liquid.
  7. 15. slowly take in
  8. 16. a scientist who studies very small living things, such as bacteria.
  9. 17. very thick paper that is usually used for making boxed.
  10. 18. is a hard, black substance that is burned for energy.
  11. 20. to cause (someone) to stop breathing by squeezing the throat
Down
  1. 1. a nation that is economically weak but growing.
  2. 2. movable; capable of being carried or moved around.
  3. 3. a soft substance used in candles.
  4. 4. refers to something that is of or related to the sun
  5. 5. to heat something at a controlled temperature in order to kill disease-causing elements is to......
  6. 6. the way something feels according to sense of taste or touch.
  7. 11. substances that release energy when burned
  8. 12. the cutting down of trees in large areas.
  9. 14. to be carried or transferred by water
  10. 18. a piece of equipment that is used to cook food.
  11. 19. an agency of the United Nations that works to improve global health conditions.