Vocabulary Crossword puzzle

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Across
  1. 2. any one of the physical surroundings of Earth.
  2. 3. telling the most important parts of a book and leaving invalid things out.
  3. 6. a change made to improve something or to make it look better.
  4. 8. a pattern shared by a society, or group of people.
Down
  1. 1. the protection of nature or animals.
  2. 4. to change to survive something different from what your body is used to.
  3. 5. resource anything that can be found outside that can be put to a use by animals or by humans.
  4. 7. a list of items such as topics in a book that shows the page number where the topic can be found.