instruction:
In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
question:
Least weasels breed one to _ times per year, depending on prey density.
answer:
three


question:
Pangolins walk on all _ of their stout limbs, which are adapted for digging.
answer:
four


question:
Natural iron contains _ isotopes and isomers.
answer:

four