Question
Arctic sea ice reached its annual minimum extent on
September 11, 2024, marking another year of significant ice loss in the Northern Hemisphere.(------------------------------) This year's minimum extent is approximately 1.94 million square kilometers below the 1981-2010 end-of-summer average, covering an area larger than Alaska. In each of the following questions, a paragraph with a blank is given. From the five choices given below, select the sentence which can go into the blank to make the paragraph logically coherent.Solution
Sentence 1 is relevant to ice loss but focuses on summer storms rather than the minimum extent. Sentence 3 provides historical context about wind effects on ice but does not relate to the current year’s ice extent. Sentence 4 discusses agricultural forecasts, which are unrelated to Arctic sea ice. Sentence 2 directly discusses this year's minimum extent, making it highly relevant and coherent with the paragraph. Thus, only sentence 2 is the best choice to fill the blank.
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