Problem: Write a question you would see in a school textbook.

Answer: Two layers of sedimentary rock are exposed on the side of a hill. Only one of the layers has fossils. The lack of fossils in one layer of sedimentary rock is most likely due to

Problem: Write a question you would see in a school textbook.

Answer: A fox gave birth to an offspring that had a better sense of hearing than most foxes. How could this small change most likely result in descendants that are different from the original fox?

Problem: Write a question you would see in a school textbook.

Answer:
In which situation would it be an advantage to ship a product by plane rather than by truck?