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高人用英语帮忙回答一下这个问题吧,

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高人用英语帮忙回答一下这个问题吧,
describe how catastrophic events influenced the geologic and biological changes that occurred on earth throughout geologic time. how were the environmental and life forms linked.
【大意】的地质灾害事件的影响如何描述,而地球上的生物发生,地质时代的变化.在环境和生命形式的联系是怎样的.
【回答】80 years before the arrival of the early 90s,collapse,landslide,debris flow and other geological disasters in the 15 major economic losses of 100 billion per year,about 300-400 people were killed; since the mid-90s,the number of deaths caused each year by more than 1000 People,economic losses amounted to 200 billion yuan,a number of regions and counties (cities) against geological disasters have become an important local economic development factors.In addition to these geological disasters caused by natural causes,the main human factors.To date,more than 50% of geological disasters are related to human factors.
【以上大意】80年代未至90年代初,崩塌、滑坡、泥石流等15种主要地质灾害所造成的经济损失每年达100多亿元,约300—400人死亡;90年代中期以来,每年造成死亡的人数超过1000人,经济损失高达200多亿元,一些地区和县(市)的地质灾害已成为危害地方社会经济发展的重要因素.引发这些地质灾害除自然原因外,主要是人为因素.迄今为止,我国50%以上的地质灾害都与人为因素有关.