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🔑:Climate change poses significant global security risks, including resource shortages, increased migration, and potential conflicts over dwindling water and food supplies, destabilizing regions and heightening tensions.

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🔑:Photosynthesis is the process by which green plants convert sunlight, carbon dioxide, and water into glucose and oxygen, using chlorophyll in their leaves. This process is essential for producing energy and oxygen in the ecosystem.

🧠In George Orwell's "1984," themes of totalitarianism, surveillance, and the manipulation of truth emerge prominently, showcasing a dystopian society where individual freedoms are suppressed. The novel explores the consequences of extreme government control and the loss of personal identity.

🔑:The key themes in "1984" include totalitarianism, the pervasive nature of surveillance, and the manipulation of truth, highlighting the dangers of extreme government control and the impact on individual identity and freedom.

🧠Solar energy and wind energy.

🔑:Solar energy harnesses sunlight through panels, ideal for stationary installations, while wind energy captures air movement using turbines for electricity generation. Both are clean energy sources but differ in their geographical requirements and initial setup costs.