TASK DEFINITION: In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
PROBLEM: Seasons occur because of _ factors working together.

SOLUTION: two

PROBLEM: Polymorphism occurs in all species and the mandibles bear _ teeth.

SOLUTION: four

PROBLEM: Chopsticks are _ long, thin, usually tapered, pieces of wood.

SOLUTION:
two