Roots List #2

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Across
  1. 4. Tank of water
  2. 7. Fight against infection
  3. 8. One hundred years
Down
  1. 1. A place to wash hands
  2. 2. A biography of ones self
  3. 3. Building to hear performances
  4. 4. Before time
  5. 5. A vehicle composed of two wheels
  6. 6. Study of life
  7. 7. A star like object