Problem: Two dairy farms were supplying milk and other milk products to the surrounding counties. Sunny farm practiced organic farming and produced organic milk, while Cloud farm was into conventional milk production. Which farm leached more nitrates into the water?

A: Cloud

Problem: Two friends had a sleepover. They spent most of the time online looking up stuff and talking about it. Bill looked up the Gaia hypothesis, while Frank read about the Flat Earth theory. Which friend read less about Earth tending to achieve a stable state?

A: Frank

Problem: Birch town was located 20 miles away from Free town. Birch town's population was affected by viral respiratory diseases, while Free town's population caught bacterial respiratory diseases. Which town has fewer people that caught the common cold?

A: Free

Problem: In Steve's kitchen, there are two burners. Burner A is currently not turned on, and burner B is set to "medium." Steve was planning on cooking some fried eggs for lunch, but is currently distracted by an article in the newspaper that was deliver to his door. The air above which burner is not expanding?

A:
Burner A