WFL

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Across
  1. 3. to go somewhere to learn about the place or find something
  2. 5. the existence of many different kinds of plants and animals in an environment
  3. 6. group things based on characteristics
  4. 7. a formal request signed by many people that is sent to a person in authority (typically in government)
Down
  1. 1. less than 0
  2. 2. an illustration that shows how something works or what its parts are
  3. 4. a disagreement, argument, or problem, it can be an internal or external fight.
  4. 8. World land “found” by European explorers (North and South America)