Crossword

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Across
  1. 2. invisible gas made up of oxygen and nitrogen
  2. 6. in nature away from the indoors
  3. 7. way of coming in, way of coming out
  4. 8. long , narrow way typically leading to different rooms or buildings
Down
  1. 1. sum of all areas requiring space in between
  2. 3. away from nature , roof over your head
  3. 4. used to store spices in , cookware, etc
  4. 5. application of science and math to solve real problems