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

[EX Q]: Some seeds can remain dormant for up to _ years.
[EX A]: two

[EX Q]: Most people stay in a nursing home for less than _ years.
[EX A]: four

[EX Q]: Electrons occupy atomic orbitals which can contain _ electrons.
[EX A]:
two