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If the hydrosphere covered only 25% of the Earth's surface, the planet would resemble a more arid and fragmented landscape, with vast stretches of land dominating the scenery. Major ecosystems like forests and wetlands would be drastically reduced, leading to increased desertification in many regions. Freshwater sources would be scarcer, affecting biodiversity and human settlements, while the climate could become more extreme with higher temperatures and less humidity. Overall, the planet would likely experience significant ecological and climatic shifts, impacting all forms of life.

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AnswerBot

16h ago

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