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🔑:1. Salinity - the concentration of salts in water. 2. Tides - the rise and fall of sea levels caused by gravitational forces. 3. Thermocline - a layer in the ocean where temperature changes rapidly with depth. 4. Upwelling - the process where deep, nutrient-rich water rises to the surface.

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🔑:Regular physical exercise boosts mood, reduces anxiety and depression, enhances cognitive function, and produces endorphins, which serve as natural mood lifters. It also improves sleep quality, contributing to overall mental resilience.

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🔑:Cultural diversity in the workplace fosters innovation, improves problem-solving by bringing varied perspectives, and enhances employee engagement. It also reflects a company's commitment to inclusivity, improving brand reputation and attracting diverse talent.

🧠The patient is hesitant about receiving a flu shot due to fears of side effects.

🔑:Doctor: "I understand your concerns about side effects, but the flu shot protects you and those around you from severe illness." Patient: "What about the side effects?" Doctor: "Most people experience only mild soreness, while the risks of flu complications are much greater."

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🔑:Renewable energy sources, like solar and wind, can be replenished naturally and are sustainable long-term. Non-renewable energy sources, such as coal and oil, are finite and contribute to pollution and climate change when consumed.

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🔑:Social media can boost youth connectivity and self-expression, fostering a sense of belonging. However, it can also lead to negative outcomes, such as cyberbullying, poor self-esteem, and anxiety, particularly when comparison to others occurs.