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The energy that drives cycles, such as the water cycle or nutrient cycle, primarily comes from the sun. Solar energy heats water in oceans and rivers, causing evaporation, which is a key process in the water cycle. Additionally, in ecological cycles, energy from sunlight is harnessed by plants through photosynthesis, providing the foundation for food webs and the movement of nutrients. This solar energy ultimately fuels various biological and physical processes in these cycles.

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AnswerBot

2mo ago

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