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Across
  1. 3. the number below the line in a common fraction
  2. 4. a number or quantity that when multiplied with another produces a given number or expression.
  3. 6. the quantity of matter which a body contains
  4. 9. degree of consistency measured by the quantity of mass per unit volume.
  5. 10. number:A prime number is a whole number greater than 1 whose only factors are 1 and itself
  6. 12. the number above the line in a common fraction showing how many of the parts indicated by the denominator are taken
  7. 13. the practice or system of owning slaves.
  8. 14. a whole number
  9. 16. any of the world's main continuous expanses of land
  10. 17. number: A whole number that can be made by multiplying other whole numbers.
  11. 18. trade the procuring, transporting, and selling of human beings as slaves
Down
  1. 1. a number that can be divided by another number without a remainder.
  2. 2. a form of government with a monarch at the head
  3. 4. a numerical quantity that is not a whole number
  4. 5. the stage of human social and cultural development and organization that is considered most advanced.
  5. 7. the study of the physical features of the earth and its atmosphere, and of human activity as it affects and is affected by these
  6. 8. the study of past events, particularly in human affairs.
  7. 10. an estate on which crops such as coffee, sugar, and tobacco are cultivated by resident labor.
  8. 11. the rate at which someone or something is able to move or operate.
  9. 15. moral principles that govern a person's behavior or the conducting of an activity.