firas sael
عدد المساهمات : 133 تاريخ التسجيل : 20/02/2012 العمر : 28 الموقع : الامارات - عجمان
| موضوع: Natural disaster الإثنين فبراير 20, 2012 6:41 pm | |
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Natural disaster A natural hazard is a threat of an event that will have a negative effect on people or the environment. Many natural hazards are related, e.g. earthquakes can result in tsunamis, drought can lead directly to famine and disease. A concrete example of the division between hazard and disaster is that the 1906 San Francisco earthquake was a disaster, whereas earthquakes are a hazard. Hazards are consequently relating to a future occurrence and disasters to past or current occurrences | |
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