Crossword puzzle for Fact or Fiction

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Across
  1. 2. is life
  2. 4. having a yellow color resembling that of an egg yolk
  3. 6. well being of something, indispensable, essential
  4. 7. a doctrine that ascribes the functions of a
Down
  1. 1. to give new life to
  2. 3. power to live or grow
  3. 4. Necessary to the existence, continuance,
  4. 5. chemical and physical forces
  5. 8. organism to a vital principle distinct