A Saguaro's Story & Einstein Anderson and the Mighty Ants

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Across
  1. 2. to provide for
  2. 3. external hard coverings, such as the shells of lobsters or the scales of fish
  3. 5. to control and make use of
  4. 6. to furnish with food or other substances necessary for life and growth
  5. 8. failed or broke down completely or suddenly
  6. 10. a system, method, or result of managing the production, distribution, & use of money, goods, natural resources and services
  7. 11. the use of scientific knowledge for practical purposes
Down
  1. 1. an organization of a group of people who have the legal power to act as one person
  2. 2. underhanded or secret plans or plots
  3. 4. having courage or being fearless
  4. 7. easily done, used, or understood
  5. 9. to eat up with great greed or vigor