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

[EX Q]: Atoms are most stable when they have _ electrons in their outer electron energy level.
[EX A]: eight

[EX Q]: Most people breathe so poorly that they average between _ and thirty breaths a minute.
[EX A]: ten

[EX Q]: Universities are places of learning in _ senses.
[EX A]:
two