question: Write a question you would see in a school textbook. OPTIONS:
- bear
- bicycle
- bird
- butterfly
answer: Which object is nonliving?

question: Write a question you would see in a school textbook. OPTIONS:
- Notify the teacher.
- Sweep the pieces into a pile.
- Pick up the pieces and throw them away.
- Leave it until the experiment is complete.
answer: What should a student do when a glass beaker shatters during a laboratory experiment?

question: Write a question you would see in a school textbook. OPTIONS:
- a volcano in Hawaii erupting
- the construction of the Hoover Dam
- whalers of the 17th, 18th, and 19th centuries
- the Mississippi River flooding its banks each summer
answer:
Of the examples listed, which event is thought by scientists to have led to the greatest extinction?