you can do it

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Across
  1. 4. to give, along with others, to a common cause
  2. 5. an early ancestor of humans
  3. 7. ability or skill
Down
  1. 1. a strong mental ability to reason and gain knowledge
  2. 2. a group of people who live in the same area and are united by common interests
  3. 3. a special feature or characteristic
  4. 6. to move from one geographic region to another