chapter 4

123456789
Across
  1. 3. how often an activity occurs
  2. 4. money or advantage
  3. 5. a difference
  4. 7. a size
  5. 9. to buy protection
Down
  1. 1. usefulness;ease
  2. 2. to find the position
  3. 6. to need
  4. 8. a way of thinking