Park farm and Fiddle farm provided Red city with tonnes of produce annually. Fiddle farm used and abundance of fertilizers and pesticides, while Park farm didn't use any of those substances. Which farm caused less fertilizer to end up in oceans?
Ans: Park

Two students studied animal behavior for the biology class. Ned studied more about predators, while Kim studied more about herbivores. Which student studied less about keystone species?
Ans: Kim

John wanted to know what makes a lake different from a pond. To that end, he first visited a lake. He labeled that part of the study as case A. Then he visited a pond. He labeled that part of the study as case B. John realized that though both of them were water-bodies, they were very different. Which water-body would be larger, case A or case B?
Ans: case A

Two old friends were both oceanographers. They were both researching the levels of marine pollution in Earth's oceans. Vic studied the Arctic Ocean, while Dan studied the Pacific Ocean. Which friend observed more dead zones in the water?
Ans: Dan