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

[EX Q]: Saturated bonds are when each of the carbons has _ single bonds as in the top figure.
[EX A]: four

[EX Q]: Most cats have only _ to five toes per paw, depending on whether it is the front or back paw.
[EX A]: four

[EX Q]: Odors elicit _ different oscillations in the turtle olfactory bulb.
[EX A]:
three