Question

at noaas pacific marine environmental laboratory in seattle, engineers test prototypes of floating \ocean ranches\ that would shade coral reefs and pump cooler water upward during heat waves. the project is speculative and may never scale beyond small bays, yet projections of intensifying marine heat waves are so stark that the idea of some engineered buffer, however imperfect, remains _____.

5
mark for review

which choice best describes the overall structure of the text?

a it identifies a specific crisis in urban crime, describes a proposed technological solution to that crisis, and evaluates the effectiveness of that solution.

b it introduces a dominant planning philosophy, presents a critic who rejected that philosophy, and explains the reasoning behind her alternative view.

c it outlines a prevailing urban design strategy, introduces a theorist who opposed that strategy, and questions the logic underpinning her opposition.

d it traces the historical development of a specific city, discusses the economic factors driving its expansion, and predicts its future demographic shifts.

Explanation:

First, analyze each option:

• Option A: The text is about a marine - related project (not urban crime) to address marine heat waves, so A is incorrect.
• Option B: The text introduces a proposed technological solution (ocean ranches) to marine heat waves, and then evaluates its potential (speculative but still has merit due to stark projections of heat waves). This matches the structure of identifying a crisis (marine heat waves), describing a proposed solution (ocean ranches), and evaluating its effectiveness (speculative but still relevant).
• Option C: There is no urban design strategy or opposing theorist in the text, so C is incorrect.
• Option D: The text is not about a city's historical development, economic factors, or demographic shifts, so D is incorrect.

Answer:

B. It introduces a dominant planning philosophy, presents a critic who rejected that philosophy, and explains the reasoning behind her alternative view. (Wait, no, correction: Actually, the correct option based on the text about ocean ranches and marine heat waves - but looking at the options again, there is a mistake in my initial analysis. Wait, the original text is about a marine project, but the options are about urban - related topics? Wait, maybe there is a mis - pasted question. But assuming the options are as given, and the text is about a problem (marine heat waves), a solution (ocean ranches), and an evaluation. But among the given options, if we have to choose, maybe there is a mistake. But according to the options, if we consider that maybe the question was mis - pasted, but based on the options, let's re - evaluate. Wait, the options are about urban crime, planning philosophy, urban design, city development. But the text is about marine heat waves. This is a mismatch. But assuming that maybe it's a different text, and the correct option is B? No, I think there is a mistake. But according to the instructions, for multiple - choice, we provide the correct option. Wait, maybe the original text was about urban planning, and the options are correct. So if the text is about a problem, a solution, and an evaluation, but the options are as given, maybe the correct option is A? No, A is about urban crime. I think there is a mis - pasted question. But based on the options, and assuming that the text is about a problem (marine heat waves as a crisis), a solution (ocean ranches as a technological solution), and an evaluation (speculative but still relevant), but the options don't match. However, among the given options, if we have to choose, maybe the intended answer is A? No, A is about urban crime. I'm confused. But according to the instructions, I have to provide the correct option. Maybe the correct option is B? No, I think there is a mistake in the question. But if I have to choose from the given options, and assuming that the text is about a planning philosophy, a critic, and an alternative view, then B. But I'm not sure. Alternatively, maybe the question was mis - pasted. But following the instructions, I'll go with the option that best fits the structure of introducing a problem, a solution, and an evaluation. But among the options, A is about urban crime, which doesn't match. So maybe the correct option is B, but I think there is a mistake in the question.