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

[EX Q]: Most children start to get their adult teeth at about _ years of age.
[EX A]: six

[EX Q]: Molecules consist of _ or more atoms.
[EX A]: two

[EX Q]: Bacteria vary widely in size and shape, but in general are at least _ times larger than viruses.
[EX A]:
ten