7.2

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Across
  1. 3. people in charge, make decisions and give order
  2. 5. something made of two or more things
  3. 7. cosmetic treatment for feet and toenails
  4. 10. under the earth's surface
  5. 11. below expectation or standard
  6. 13. showing no concern for others, cruel
  7. 14. something that caught fire, exploded
  8. 15. outer edge of city or town
Down
  1. 1. device that counts steps
  2. 2. something artificial, not natural
  3. 4. small vehicle operating under water
  4. 6. damaging a place while looking for something
  5. 7. person walking along a road
  6. 8. something valuable treated with care
  7. 9. gas that comes out of engine
  8. 12. scientific study of matter and energy