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

Answer: The Andes Mountains in South America formed when an oceanic plate shifted beneath a continental plate. Which other landforms are usually associated with this type of plate boundary?

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

Answer: Why can a small fire be put out by placing a heavy blanket over it?

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

Answer:
Which interaction within an ecosystem is characterized by gradual change from one community of organisms to another?