question: Write a question you would see in a school textbook. OPTIONS:
- smell
- taste
- sight
- sound
answer: A mother hen clucks loudly when danger is near and her chicks quickly gather around her. Which sense helps the chicks receive this warning about danger from their mother?

question: Write a question you would see in a school textbook. OPTIONS:
- BR
- Chl
- Dy
- FeO
answer: Which combination of letters could be used as a chemical symbol for an element?

question: Write a question you would see in a school textbook. OPTIONS:
- Nitrogen
- Oxygen
- Carbon dioxide
- Hydrogen
answer:
Air is made up of many gases. Which gas is found in the greatest amount?