Guyana and Nigeria had thriving economies. Guyana's economy was based on conventional agriculture, while Nigeria attracted an enormous number of tourists to its splendid beaches each year. Which country caused fewer dead zones?
Ans: Nigeria

Ted had 2 uncles. Uncle Jerry was getting up there in age, he was 78 years-old. Uncle Tom was younger, he was in his early 50's and still very active and productive. Which uncle hadn't retired from work?
Ans: Tom

After decades of debate, Brunei decided to adopt electrical vehicles and use them extensively, ultimately phasing out gasoline powered vehicles. Their neighbor Nepal decided to continue using gasoline-powered vehicles extensively. Which country contributed to the formation of fewer nitrogen oxides?
Ans: Brunei

David was interested in the coloration of ocean's water. To understand the phenomenon he first observed the color of water at forty feet depth. He noted his observation as point A. Then he observed the color at hundred feet depth. He noted his observation as point B. Then he observed the color at four thousand feet depth. He noted that observation as point C. He now have some ideas how the color of water changes according to its depth. At point B, would the color be stronger or weaker than point A?
Ans: stronger