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🔑:The Water Cycle is essential for replenishing freshwater resources, maintaining ecosystems, and regulating climate. It involves processes like evaporation, condensation, and precipitation, ensuring that water is continuously circulated and made available for various life forms on Earth.

🧠"I love to read books."

🔑:"Me encanta leer libros."

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🔑:Supply and demand can be illustrated with the example of a popular smartphone. If a new model is released and many consumers want it (high demand) while only a limited number are available (low supply), prices tend to rise. Conversely, if there are many smartphones available but few buyers, prices may decrease.

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🔑:Albert Einstein is best known for his theory of relativity, particularly the equation E=mc², which describes the relationship between mass and energy. He also made significant contributions to quantum mechanics and statistical mechanics, providing a deeper understanding of atomic behavior and the nature of light.