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

Answer: An organ pipe produces a musical note same number of nitrogen gas molecules. with a wavelength of 2.72 m. What is the frequency of this note if the speed of sound is 348 m/s?

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

Answer: Most underground caves are formed by the action of water on

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

Answer:
What would best regulate the temperature of an overheated body?