advance irrigation plumbing n

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Across
  1. 2. prickly plants found in the desert (Cactus)
  2. 3. things that happen and can be seen (Phenomenon)
  3. 5. detailed studies of something (Analysis)
  4. 11. people who graduated from school (Alumnus)
  5. 12. bones in your back (Vertebra)
  6. 14. things that make you react (Stimulus)
  7. 15. green spots in dry deserts (Oasis)
Down
  1. 1. tiny organisms that can make you sick (Bacterium)
  2. 4. extra sections added to the end of a book (Appendix)
  3. 6. outlines of what you’ll study in school (Syllabus)
  4. 7. rules used to judge something (Criterion)
  5. 8. grids or charts to organize information (Matrix)
  6. 9. molds or mushrooms (Fungus)
  7. 10. long papers written for school (Thesis)
  8. 13. centers of atoms or cells (Nucleus)