8

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Across
  1. 4. - bright flash during a storm
  2. 6. - very high natural elevation of land
  3. 7. - ability to remember past events
  4. 9. - place where books are kept for reading
Down
  1. 1. - place where goods are sold
  2. 2. - publication with articles and pictures
  3. 3. - glass that reflects images
  4. 5. - the natural world around us
  5. 7. - organized sound that creates melody
  6. 8. - vast body of salt water