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Стихийные бедствия могут возникать как независимо друг от друга, так и связанно: одно из них может повлечь за собой другое. некоторые из них часто возникают в результате деятельности человека (например, лесные и торфяные , производственные взрывы в горной местности, при строительстве плотин, закладке (разработке) карьеров, что зачастую приводит к оползням, снежным лавинам, обвалам ледников для меня это страшно! независимо от источника возникновения, стихийные бедствия характеризуются значительными масштабами и различной продолжительностью — от нескольких секунд и минут (землетрясения, снежные лавины, лимнологические катастрофы) до нескольких часов (сели), дней (оползни) и месяцев (наводнения).natural disasters can occur independently of each other, and connected: one of them can lead to another. some of them often result from human activities (e.g., forest and peat fires, industrial explosions in the highlands during the construction of dams, tab (development) quarries, which often leads to landslides, snow avalanches, landslides glaciers for me, it is scary! regardless of the source of origin, natural disasters are characterized by high levels and varying duration from several seconds and minutes (earthquakes, avalanches, limnological catastrophe) up to several hours (sat), days (landslides) and months (floods).

My sister's son is a student. he studies well at school. he doesn't get bad marks, as a rule. my sister usually helps him to do lessons. i haven't got a sister, but i have four brothers. two of them finished studying at university last year, and another two of them studying at school. this young woman is a engeneer. she works at a big factory. she has a lots work. every morning she takes her little son to kindergarden. klimov is an old worker. he hasn't grandson, but he has two granddaughters. one of them was born seven years ago, and another one was born last year.