In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.

[EX Q]: Abdominal scars consist of _ to four half-inch incisions.
[EX A]: two

[EX Q]: Sin has _ effects on every person's life.
[EX A]: two

[EX Q]: Some species bear living offspring only every _ to five years.
[EX A]:
three