Grayson's crossword puzzle

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Across
  1. 3. a plan for food or supplies.
  2. 7. Something in math that is the opposite of addition.
  3. 8. something that you do.
  4. 9. what a bomb creates.
Down
  1. 1. not real.
  2. 2. a spy task.
  3. 4. a ravenous bird
  4. 5. movement synonym
  5. 6. a group, society, or organization's beliefs
  6. 10. the environment outside.