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

Q: Sturgeons are shark-like in form but are unique in having _ rows of bony plates along the body.

A: five
****
Q: Happiness is _ kinds of ice cream.

A: two
****
Q: Computer printers use _ methods for creating words and images on paper.

A:
three
****