crossword Puzzle:

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Across
  1. 2. dense water which flows on top of the ocean is
  2. 3. bear more solar energy in a tropical zone
  3. 4. collision largest bodies formed are called planetesimals
  4. 5. scattered solar radiation is called Diffuse
  5. 8. regions recieves solar energy maximum
  6. 10. house part receives a majority of solar radiation
  7. 11. Planetesimals grow they attract more......
  8. 12. solar system is formed in 10 million years
  9. 13. generated when density of ocean water
  10. 14. furnace is an example of passive solar technology
Down
  1. 1. waves are radiated from the sun
  2. 4. conditioners not used in a passive heating system
  3. 6. influence density of ocean water includes
  4. 7. building with excessive glass cover results
  5. 9. involved in heat transfer through building