question: Write a question you would see in a school textbook.
answer: Which of the following is a crucial piece of evidence supporting scientists' theory of how the continents and the ocean basins formed?

question: Write a question you would see in a school textbook.
answer: Florida has a large supply of phosphate that ancient seas deposited millions of years ago. The phosphate contains the remains of animals that were deposited in layers on the sea floor. Which type of rock did the phosphate become?

question: Write a question you would see in a school textbook.
answer:
Increased nutrient levels in lakes can cause ecological changes that result in the death of many fish. At what point in the hydrological cycle are most nutrients deposited into lakes?