Detailed Instructions: Given a scientific passage and an answer, generate a question for the given answer.
Q: Passage: Droughts also depend on what is normal for a region. A region that gets significantly less precipitation than normal for an extended period of time is in drought. The Southern United States is experiencing an ongoing and prolonged drought. Answer: drought
A:
What term is used to describe a region getting significantly less precipitation than normal for an extended period of time?