What I learned in 7th grade

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Across
  1. 1. A greek symbol for p, being approximately equal to 3.14159
  2. 4. The action of separating something into parts or the process of being separated.
Down
  1. 1. The amount of people in one area
  2. 2. The process or activity of writing or naming the letters of a word.
  3. 3. he study of heredity and the variation of inherited characteristics.
  4. 5. Story writing