11 A

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Across
  1. 2. on to need a particular thing or the help and support of someone or something in order to continue, to work correctly, or to succeed.
  2. 4. an accepted standard or a way of behaving or doing things that most people agree with.
  3. 6. a meeting, especially one that happens by chance.
  4. 9. someone who studies a subject, especially in order to discover new information or reach a new understanding.
  5. 10. a test done in order to learn something or to discover if something works or is true.
Down
  1. 1. a person who does something, especially helping other people, willingly and without being forced or paid to do it.
  2. 3. a principle or idea..
  3. 5. a single person or thing, especially when compared to the group or set to which they belong
  4. 7. the result you get by adding two or more amounts together and dividing the total by the number of amounts.
  5. 8. the internet, newspapers, magazines, television, etc., considered as a group.