question: Write a question you would see in a school textbook.
answer: Scientists use the term "light year" to describe

question: Write a question you would see in a school textbook.
answer: The gravitational attraction of the Moon causes which effect on Earth?

question: Write a question you would see in a school textbook.
answer:
When a dog smells food and begins drooling, it is responding to an external stimulus. Which of these describes a response to an internal stimulus?