Which sentence best summarizes the main idea of the passage on the water cycle?

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The main idea being tested is recognizing that the water cycle is a continuous, interconnected process where water moves through air, land, and oceans through evaporation, condensation, and precipitation. The best sentence captures this by naming the three key processes and presenting them as parts of a connected cycle that moves water through Earth’s systems. It emphasizes the ongoing circulation of water rather than focusing on aspects like conserving water or how climate might affect speed, or making claims about where all water sources are located. The other statements shift to a resource-management angle, a climate-based speed detail, or a factual inaccuracy about water in the atmosphere, which don’t describe the central mechanism of how the cycle operates.