The Sierra club Crossword

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Across
  1. 4. could be a mammal, a reptile, or an amphibian
  2. 5. stuff that comes out of chimney or big factory's
  3. 6. a spaces place with lots of trees, vegetation, and animals
  4. 7. when you go on adventures and learn new things
Down
  1. 1. A big state next to Montana and Oregon
  2. 2. What every human need ad what a lot of people fight for like the Black Lives Matter protests
  3. 3. The weather or condition of a current place