Question:
Use evidence from the fact that metal is sometimes magnetic to answer the following question. "Metal is sometimes what?"

Answer:
polar opposite

Question:
Use evidence from the fact that humans eat crops to answer the following question. "Some farmers make a very good living because the crops they grow are sold to lots of people for"

Answer:
sustenance

Question:
Use evidence from the fact that a berry contains seeds to answer the following question. "Why do berries exist?"

Answer:
reproducing