question: Write a question you would see in a school textbook.
answer: Which factor best explains how many diseases, such as cancer, are formed within the body?

question: Write a question you would see in a school textbook.
answer: Electricity has many uses. Which device is designed to transform electrical energy into useful heat energy?

question: Write a question you would see in a school textbook.
answer:
Some nonnative plants can adapt to their environments more quickly than some native plants or crops can. Which adaptation would least likely help a nonnative plant to survive in a new environment?