As we head into the future, it is believed by some that human activity will contribute to an overall climate warming. A warming climate – natural or not – is reasonably expected to lead to higher sea surface temperatures in the tropical Atlantic spawning grounds of hurricanes. And sea surface temperatures play an important role in the processes of formation and intensification of tropical cyclones. Therefore, some researchers (e.g., Knutson and Tuleya, 2004; Emanuel, 2005; Webster et al. 2005) suggest that hurricanes will become stronger in a warmer world. However, at the same time, some of the climate changes that are projected to occur as the levels of atmospheric carbon dioxide continue to grow into the future, are also ones that act to hinder tropical cyclone formation and development. What organizational format is used in the development of this paragraph? A. definition B. categorization C. problem and solution D. compare and contrast