instruction:
In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
question:
Individual caribou can lose up to _ pounds of blood during a summer season.
answer:
five


question:
Mares normally give birth to their first foal when they are between _ and six years of.
answer:
three


question:
Ornithologists estimate their precolonial population at _ to three billion.
answer:

two