The Environment

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Across
  1. 1. list of plants in an area
  2. 4. exposed to the possibility of being harmed
  3. 6. process of solid to liquid
  4. 7. at risk of extinction
Down
  1. 2. produced without the use of chemicals
  2. 3. list of animals in an area
  3. 5. production and discharge of gas or radiation