instruction:
In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
question:
Humans are bipeds who stand between _ to six feet in height when fully grown.
answer:
five


question:
Disruptive selection can lead to _ new species.
answer:
two


question:
Some kudzu takes as long as _ years to kill, even with the most effective herbicide.
answer:

ten