question: Write a question you would see in a school textbook. OPTIONS:
- barren deserts
- active volcanoes
- mountains covered in trees
- swamps with dense vegetation
answer: The formation of coal deposits occurred over millions of years. Which feature was most responsible for these deposits?

question: Write a question you would see in a school textbook. OPTIONS:
- microscope and balance
- graduated cylinder and balance
- microscope and graduated cylinder
- beaker and graduated cylinder
answer: Which of the following would be most useful for calculating the density of a rock sample?

question: Write a question you would see in a school textbook. OPTIONS:
- Ocean levels would increase.
- Human population would increase.
- Vegetation in water would decrease.
- Global precipitation would decrease.
answer:
Many scientists theorize that global warming will melt the polar ice caps. What would most likely happen if the polar ice caps melted?