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

[EX Q]: Sprawl destroys _ million acres of farmland every two years.
[EX A]: one

[EX Q]: Most women have _ problems getting pregnant with a retroverted uterus.
[EX A]: no

[EX Q]: Dolphins can hold their breath for up to _ minutes.
[EX A]:
ten