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

Answer: When Javier exercises, his muscle cells need more oxygen. Which would help Javier's muscle cells receive more oxygen?

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

Answer: What would a warm air mass over the ocean most likely cause?

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

Answer:
During winter months, Amina sometimes notices ice covering the hoods of parked cars. Once the engine of the car runs for a while, the ice on the hood begins to melt. What form of energy is released from the car engine to melt the ice?