Which of the following best sums up how the focus of "Big Fish in Troubled Waters" differs from Protecting the Oceans, One Choice at a Time"? A The first artide explains why people love to catch large predatory fish like cod and tuna, while the second explains the life-cyde of large fish such as the Atlantic halibut. B The first artide explains why predatory fish are important to the ocean ecosystem, while the second explains where to find information about fish that are rich in omega-3s. C The first artide explains the causes of declining fish populations, while the second explains the connections between the creatures in the ocean food chain. D The first artide explains that overfishing is threatening some fish populations, while the second explains how to save some fish species by making careful decisions about meals.