tectonics 0.0 / 5 ? GeographyPlate tectonicsA2/A-levelEdexcel Created by: reuben0602Created on: 30-10-17 10:15 when did alfred wegener develop his theory of continental drift? 1912 1 of 8 how many deaths does there have to be to credit something a disaster? 500 2 of 8 what has to happen for a hazard to develop into a mega disaster? over 2000 deaths, over 200,000 people made homeless, GDP of the country decreased by atleast 5%, dependence on international aid for a year or more. 3 of 8 how does the pressure and release model calculate risk? risk= hazard X vulnerability. it is the combination of both the physical factors and the human factors to give a higher risk. 4 of 8 what does the pressure and release model suggest what should be tackled to reduce risk? root causes, dynamic pressures and unsafe living conditions. 5 of 8 what are some of the root causes? weak governance, limited access to power. dysfunctional cultural political and economic systems. 6 of 8 what hazards have the most fatalities? the slow onset ones such as drought and famine 7 of 8 what is a hazard? a natural tectonic event that disrupts normal daily life. 8 of 8
GEOG4- Tectonic activity and hazards [2014] pre-release series: #1- deciphering the question. 0.0 / 5
List of case studies for; Tectonic plates, Weather and climate, Development and globalisation and Conflict. 0.0 / 5
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