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🔑:The Great Wall of China, a UNESCO World Heritage site, spans over 13,000 miles and was built over several dynasties, with construction beginning as early as the 7th century BC.

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🔑:A likely trend in technology is the increased integration of artificial intelligence in everyday devices, enhancing smart home systems and personal assistants, leading to more personalized and efficient user experiences.

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🔑:Photosynthesis is the process by which plants use sunlight to convert carbon dioxide and water into glucose (sugar) and oxygen. It mainly occurs in the leaves, where chlorophyll captures light energy.

🧠In "The Alchemist" by Paulo Coelho, Santiago begins as a simple shepherd but grows through his journey, learning about the importance of pursuing one's dreams and listening to one's heart.

🔑:Santiago’s character development is marked by his transformation from an undetermined shepherd into a determined seeker of his personal legend. He learns vital life lessons about courage, intuition, and the interconnectedness of all things.

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🔑:Three major factors contributing to global warming are greenhouse gas emissions from fossil fuels, deforestation which reduces carbon absorption, and industrial processes that release pollutants into the atmosphere.

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🔑:Supply and demand is an economic model that explains how the price of a good or service is determined in a market. When demand exceeds supply, prices rise; when supply exceeds demand, prices fall.