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🔑:1. The personal computer revolutionized how we access information and communicate. 2. The internet transformed global connectivity and commerce. 3. The smartphone changed the way we interact with technology and each other, making information accessible at our fingertips.

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🔑:Biodiversity is crucial for ecosystems as it enhances resilience, supports food chains, and promotes ecosystem services like pollination and climate regulation. A diverse array of species contributes to a healthier environment, ensuring stability and sustainability.

🧠"Social media has transformed the way we communicate and interact. While it has allowed for instant connection and sharing of ideas, it has also led to issues such as misinformation and a decline in face-to-face interactions. The balance between its benefits and drawbacks is a topic of ongoing debate."

🔑:The main argument highlights that social media significantly changes communication, offering instant connections but also resulting in misinformation and reduced face-to-face interactions, creating a debate about its overall impact.

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🔑:Photosynthesis is how plants make their own food using sunlight, water, and carbon dioxide. They take the sunlight and mix it with water from the ground and air to create sugar, which helps them grow, and oxygen, which we breathe.