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🔑:Climate change significantly impacts global food security by altering weather patterns, leading to unpredictable growing seasons, reduced crop yields, and increased vulnerability to pests and diseases. Furthermore, it exacerbates water shortages and depletes natural resources, ultimately threatening the availability and access to nutritious food worldwide.

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🔑:1. Prioritize tasks by creating a to-do list with deadlines. 2. Break larger projects into smaller, manageable steps. 3. Use a calendar to schedule work and set reminders. 4. Eliminate distractions by designating specific work times. 5. Reflect on productivity weekly to identify areas for improvement.

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🔑:The Internet began as ARPANET in the late 1960s, a project funded by the U.S. Department of Defense. It revolutionized global communication and information sharing, enabling the rise of the World Wide Web in the 1990s. Today, it plays a crucial role in economics, education, and social interaction, transforming societies worldwide.

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🔑:To maintain a healthy work-life balance, set clear boundaries by defining work hours and personal time. Schedule regular breaks and prioritize self-care activities, such as exercise and hobbies. Establish a support system of family and friends, and practice effective time management to prevent burnout.

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🔑:Classical conditioning involves learning through association, where a neutral stimulus becomes linked to an unconditioned stimulus, resulting in a conditioned response (e.g., Pavlov's dogs). Operant conditioning, on the other hand, focuses on behavior modification through reinforcement or punishment, shaping voluntary behaviors based on consequences.

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🔑:Regular exercise benefits mental health by reducing anxiety and depression, enhancing mood through the release of endorphins, and improving overall cognitive function. It can also promote better sleep, increase self-esteem, and provide social interaction opportunities through group activities, contributing to enhanced emotional well-being.