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

[EX Q]: Nymphs feed for five to _ weeks before entering the adult stage.
[EX A]: eight

[EX Q]: Water is able to diffuse freely between the _ cells.
[EX A]: two

[EX Q]: Heterogenous rays vary from one to at least _ cells wide.
[EX A]:
five