Cross word

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Across
  1. 3. to design or build
  2. 4. to put or lay something down
  3. 7. having one’s feelings and emotions under control
  4. 8. come into forcible contact with another object
  5. 9. a minute portion of matter
Down
  1. 1. the series of change in the life of an organism
  2. 2. to interfere
  3. 3. the gradual destruction
  4. 5. general theories or facts
  5. 6. solid substance made of or more simple chemicals