Unit 9: Life, Light, and Love (bio, photo, phil)

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Across
  1. 4. the study of ideas and knowledge, truth, the nature and meaning of life; your personal beliefs or opinions related to life
  2. 5. a wealthy person who gives money and time to help make life better for other people
  3. 6. the art, process, or job of taking pictures with a camera; named after the original process that used light to expose an image on special paper
  4. 7. a US city founded by William Penn, a Quaker that believed in peace
  5. 8. capable of being slowly destroyed and broken down into very small parts by natural process, bacteria, etc.
Down
  1. 1. the story of a real person's life written by someone other than that person
  2. 2. a person who loves or collects books
  3. 3. a science that deals with things that are alive, such as plants and animals; the study of life
  4. 5. the process by which a green plant turns water and carbon dioxide into food when the plant is exposed to light
  5. 6. a tiny particle of light or electromagnetic radiation