KrakatoaVolcanic eruption has been a constant threat to our natural environment for milions of years, but seldom in recent times (1)ago a volcano erupted with the ferocity of Krakatoa.Krakatoa, (2)which is a volcanic island group in Indonesia, erupted on 27th August 1883.(3)If only was the explosion(4).................................loud that it was heard as far away(more than 3,000 km) as Perth in Australia, but is also recognised as (5)......................tha loudest sound (6).......................................... recorded.Tens of thousands of people in the region were killed, many (7)........................................ in the enormous tsunamis which the eruption produced-tsunamis which eventually reached South Africa and the English Channel.The explosion also had a major effect on (8)..................... world`s weather system. The volcanic dust in the atmosphere reduced the (9)......................... of sunlight reaching the earth`s surface, reducing global temperatures by more than one degree centrigrade. Only after five years had passed (10)....................................... global temperatures begin to return to normal.
đang được dịch, vui lòng đợi..