During the existence of the Earth does not diminish the researchers work.After all, life on the planet is constantly changing under the influence of various factors - the nature of the updated, and human activity is bringing its contribution.Therefore difficult to clearly answer the question: "What is the longest river in the world?»
For a long time the palm belonged Nile.But modern painstaking investigation given more objective and unexpected results.It turns out that Neil is now ahead of Amazon.Brazilian scientists have found a new source of the river Ucayali, and this fact has increased the length of the continuous Amazonian river channel up to 7000 km.So Amazon is recognized as the longest river.
Most of the South American river flows in Brazil and the rest of her sleeves were stretched on the lands of Bolivia, Ecuador, Peru, Colombia.During the rainy season the river floods its waters territory equal in size of England.The inhabitants of the Amazon waters are so diverse that the inhabitants of the Atlantic Ocean do not go with them to any comparison.
It is difficult to choose from a Russian river, which is on the right will be named "The longest river in Russia."After all, to accurately measure the length of the river channel is not always possible, as playing a role sources and tributaries of the river, located on the territory of neighboring states.
According to statistics, it is the Lena River to become the champion and get the honorary title as the longest river in Russia.After all, its length from the source located near the ridge of deep-water Lake Baikal to the mouth, which flows into the Laptev Sea is 4400 km.
In winter the river Lena could promerznut to the bottom, and upon the occurrence of a hot dry summer.In some places its depth can reach up to the level of 0.5 m. Although the first portion of the life-giving water coming from the tributaries, the river comes to life and becomes floatable - begin to appear below Osetrova Court rushing water on the way to the ocean.
Americans are proud of the powerful flow of the Mississippi River, which divides the US into two parts, crosses the territory of ten states and flows into the Atlantic.According to data taken from the Encyclopedia Americana, the length of the Mississippi river system it is 6275 km.It originates from Jefferson river in Montana, flows into the waters of the Missouri and the path ends in the Gulf of Mexico.This allows you to assign it the appropriate title: "The longest river in the United States."It takes a legitimate fourth position among the other river systems of the planet.
In the upper reaches of the Mississippi have raging waterfalls and steep rapids.Among waterfalls stands Saint Anthony, the height of the fall of his indomitable water is as much as 15 m. Between the cities of St. Louis and Minneapolis are the dam, whose work helps to provide local residents with electricity.
During spring floods begin flooding, flooding a large area.Mississippi River basin covers almost half of the American land.The longest river provides permanent jobs shipowners.
