Question: Two students studied for the biology exam. Ken studied about global warming, while Hank studied about Earth's atmosphere. Which student learned more about Earth's average temperature?
Answer: Ken

Question: David was visiting Europe last summer. First he visited London. To his dismay, it was overcast all night. Then he flew to Rome. There the sky was as clear as you could get at night. David was very happy about it. In which place less infrared radiation would be absorbed in the atmosphere, London or Rome?
Answer: Rome

Question: Sand mining in the north coastal region was stopped 20 years ago, but it still continues to this day in the south region. Both fishing communities there are still prosperous, but the southern one had a couple of bad years, with fish and other marine wildlife becoming more scarce. The southern beach had erosion problems as well. The northern beach recovered, and is suitable for tourism. Which region made less money from sand mining?
Answer:
northern