Vocabulary Quiz: Environment

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Across
  1. 4. (adjective) able to be maintained at a certain rate or level
  2. 7. (noun) the action or state of making or being made impure by polluting or poisoning
  3. 8. (verb) to gradually wear away
Down
  1. 1. (noun) the action of using up a resource
  2. 2. (noun) the protection and preservation of natural environments and resources
  3. 3. (adjective) capable of being decomposed by bacteria or other living organisms and thereby avoiding pollution
  4. 5. (verb) to produce and discharge something
  5. 6. (noun) an article intended to be thrown away after use.
  6. 7. (noun) a regular journey of some distance to and from one's place of work