TASK DEFINITION: In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
PROBLEM: Woodchucks can dig up to _ entrances to one den.

SOLUTION: three

PROBLEM: Ozone is a form of oxygen in which the molecule contains _ atoms instead of two.

SOLUTION: three

PROBLEM: Water seems magical because it changes form and is found in _ states of existence.

SOLUTION:
three