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🔑:To perform basic CPR, check responsiveness; if unresponsive, call emergency services. Place the person on their back, ensure the airway is clear, then deliver 30 chest compressions followed by two rescue breaths. Continue this cycle until help arrives or the person starts breathing.

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🔑:Key themes in "The Road Not Taken" include choices and their consequences, the complexity of decision-making, and the notion of individuality versus conformity. The poem also reflects on nostalgia and the uncertainty of future paths.

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🔑:Photosynthesis is the process by which plants convert sunlight into energy. They absorb sunlight using chlorophyll in their leaves, combine it with carbon dioxide from the air and water from the soil, resulting in glucose for energy and oxygen as a byproduct.

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🔑:When a new smartphone is released, the supply is limited initially, causing high demand. As consumers eagerly await the latest features, prices may rise. However, once production increases and supply meets demand, prices stabilize, illustrating the relationship of this economic principle.