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

[EX Q]: Ticks mature in _ stages, moving from egg to larva and nymph to adult.
[EX A]: four

[EX Q]: Pups consume an average of _ liters of milk a day .
[EX A]: eight

[EX Q]: Saturated bonds are when each of the carbons has _ single bonds as in the top figure.
[EX A]:
four