Đào Khánh Linh
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2025-03-16 21:32:52
- Cu(OH)₂: Đồng(II) hydroxit
- N₂O: Nitơ oxit (hoặc Nitrous oxide)
- BaSO₄: Bari sulfat
- H₂S: Hydro sulfua
2025-03-16 21:30:57
17,36 tấn đá vôi
2025-03-16 21:16:20
Before, during, and after a flood, proper preparation and response are crucial to protecting lives and property. Before a flood, monitor weather forecasts, prepare an emergency kit, and identify evacuation routes. During the flood, move to higher ground, avoid walking or driving through floodwaters, and follow official guidance. After the flood, check the safety of your home, be cautious of hazards like downed power lines or contaminated water, and clean and disinfect the environment to prevent disease. Always stay informed and take necessary precautions to minimize the risks.