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

[Q]: Melanocytes are dendritic and are distributed roughly _ per six basal cells.
[A]: one

[Q]: Jurassic rocks have _ outcrops in the area but they are identified by bore holes.
[A]: no

[Q]: Nonverbal communication is present even if there are _ words being spoken.
[A]:
no