TASK DEFINITION: In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
PROBLEM: Saturated bonds are when each of the carbons has _ single bonds as in the top figure.

SOLUTION: four

PROBLEM: Chicks take _ years to develop full adult plumage.

SOLUTION: five

PROBLEM: Seeds germinate in about a month, but plants grown from seed take three to _ years to flower.

SOLUTION:
five