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

[EX Q]: Ice jams cause flooding because of _ main features.
[EX A]: two

[EX Q]: Most chick mortality occurs within _ days after hatching.
[EX A]: six

[EX Q]: Most transformers consist of _ coils of insulated wire.
[EX A]:
two