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

[EX Q]: Passage: Landslides are the most dramatic, sudden, and dangerous types of mass wasting. Landslides are sudden falls of rock; by contrast, avalanches are sudden falls of snow. Answer: landslides
[EX A]: What are the most dramatic, sudden, and dangerous types of mass wasting?

[EX Q]: Passage: Skeletal Muscles. Skeletal muscles enable the body to move. Answer: move
[EX A]: What do skeletal muscles enable the body to do?

[EX Q]: Passage: Improving crops by selecting for certain genetic traits. The desired traits promote productivity. Recently, genetically engineered crops have been introduced. Answer: promotes productivity
[EX A]:
What is the advantage of selecting for certain genetic traits for crops?