Given a scientific passage and an answer, generate a question for the given answer.

Example Input: Passage: There are multiple ways to prevent these situations from occurring. The three most common protective devices are fuses, circuit breakers, and surge protectors. Answer: fuses, circuit breaks & surge protectors
Example Output: What are the three most common protective devices?

Example Input: Passage: Earth's climate has changed many times. Long warm periods were broken up by ice ages. Over the past 150 years, climate has warmed quickly. Answer: ice ages
Example Output: What occurs between long warm climate periods?

Example Input: Passage: Skeletal Muscles. Skeletal muscles enable the body to move. Answer: move
Example Output:
What do skeletal muscles enable the body to do?