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

[EX Q]: Fluoroscopy has _ magnification modes and image capture.
[EX A]: two

[EX Q]: Mature cysts have _ nuclei while the immature have two.
[EX A]: four

[EX Q]: Fats come in _ different forms saturated and unsaturated.
[EX A]:
two