What is the longest river in the world?
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Correct\n\nwhy does the nile river flow south to north, the answer is very simple. The river just flows down hill, from the high mountains in the middle of africa to the Nile delta (point where Nile enters the Mediterranean Sea).
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Top ten, just for an interesting comparison\n\nAmazon River - 6,144,727 km² \nCongo River - 3,730,474 km² \nNile River - 3,254,555 km² \nMississippi River - 3,202,230 km² \nOb River - 2,972,497 km² \nParana River - 2,582,672 km² \nYenisei River - 2,554,482 km² \nLake Chad - 2,497,918 km² \nLena River - 2,306,772 km² \nNiger River - 2,261,763 km²
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Today, the largest producesr of eletricity in the world is ITAIPU.\n\nThe Itaipu project in Brazzil is currently the world's largest hydroelectric dam \n\nThe China's Three Gorges Dam will be the world's largest hydropower project. \n\nThe totals. amount of concrete totals. million cubic meters twice that of the It aipu project in Brazil currently the world's largest hydroelectric dam.
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-Amazon = largest river in terms of water/system\n*Over 11,000 tributaries\n*17 tributaries are over 1,000 miles long\n*Two of most important:\n1.  Negro\n2.  Madeira
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The Ganges River is a river of northern India and Bangladesh. The river has a long history of reverence in India and is worshipped by Hindus as a goddess. It is often called the 'holy Ganga'.\n\nThe total length of the river is about 2,510 km (1,557 mi). Along with another river Yamuna, it forms a large and fertile basin, known as the Gangetic plains, stretching across north India and Bangladesh, and supports one of the highest densities of human population in the world. Indeed, about one in every 12 people on earth (8.5% of world population) live in its catchment area. Due to this incredible concentration of population, pollution and the destruction of habitats are matters of serious concern.
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The deepest river would be the Nile in East Africa.\nThe river with most volume of water would be Amazon.
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Africa's fourth-longest river, the Zambezi, is in Southern Africa. The river is 2,200 miles long, but boats can travel only on about 460 miles of it because of its waterfalls and rapids.\n\nIt is important because people have use the Zambezi's strong currect to produce electricity. Tourists from around the world visit these falls, which, too, provides a great money source for Africa's economy.
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The river Indus runs from the North and ends in the South in the Arabian Sea.\n\nThere are few other rivers in Pakistan these are\nRavi, Sutlej, Chenab, Jhelum, Kabul, Sawat etc
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The Snake River flows through one of the deepest gorges in the world, Hell's Canyon.\n\nThe deepest river in the US might be considered the Truckee, which drains Lake Tahoe, the second-deepest lake in the US.\n\nOtherwise I would suspect the Mississippi, but it would depend on the year and season since river level varies so much.  At its deepest it's about 200 feet deep.
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The Nile (Arabic: النيل‎, translit: an-nīl, Ancient Egyptian iteru) is a major north-flowing river in Africa, often regarded as the longest river on Earth, although some sources claim the Amazon in South America is longer. The Nile has two major tributaries, the White Nile and Blue Nile, the latter being the source of most of the Nile's water and fertile soil, but the former being the longer of the two. The White Nile rises in the Great Lakes region of central Africa, with the most distant source in southern Rwanda 2°16′55.92″S, 29°19′52.32″E, and flows north from there through Tanzania, Lake Victoria, Uganda and southern Sudan, while the Blue Nile starts at Lake Tana in Ethiopia, flowing into Sudan from the southeast. The two rivers meet near the Sudanese capital Khartoum.\n\nThe northern section of the river flows almost entirely through desert, from Sudan into Egypt, a country whose civilization has depended on the river since ancient times. Most of the population of Egypt and all of its cities, with the exception of those near the coast, lie along those parts of the Nile valley north of Aswan; and nearly all the cultural and historical sites of Ancient Egypt are found along the banks of the river.\n\nThe Nile ends in a large delta that empties into the Mediterranean Sea.The Nile (Arabic: النيل‎, translit: an-nīl, Ancient Egyptian iteru) is a major north-flowing river in Africa, often regarded as the longest river on Earth, although some sources claim the Amazon in South America is longer.[1] The Nile has two major tributaries, the White Nile and Blue Nile, the latter being the source of most of the Nile's water and fertile soil, but the former being the longer of the two. The White Nile rises in the Great Lakes region of central Africa, with the most distant source in southern Rwanda 2°16′55.92″S, 29°19′52.32″E, and flows north from there through Tanzania, Lake Victoria, Uganda and southern Sudan, while the Blue Nile starts at Lake Tana in Ethiopia, flowing into Sudan from the southeast. The two rivers meet near the Sudanese capital Khartoum.\n\nThe northern section of the river flows almost entirely through desert, from Sudan into Egypt, a country whose civilization has depended on the river since ancient times. Most of the population of Egypt and all of its cities, with the exception of those near the coast, lie along those parts of the Nile valley north of Aswan; and nearly all the cultural and historical sites of Ancient Egypt are found along the banks of the river.\n\nThe Nile ends in a large delta that empties into the Mediterranean Sea.\n\nLength 6,695 km (4,160 mi)
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Huang He \n\nThe 5,500-kilometer-long Huang He, meaning "the Yellow River", originates from the Kunlun Mountains in western China and flows generally eastward across northern China to the Gulf of Bohai. It is named for the vast quantities of yellow silt it carries to its delta. \n\nAs the most heavily silt-laden river in the world, the Yellow River got its name from the muddiness of its water, which bears a perennial ochre-yellow color. The river is commonly divided into three stages. In the upper reaches, the river runs through mountainous and arid regions for 3,472 kilometers, ending at Hekouzhen of Inner Mongolia just before it makes a sharp turn to the south. \n\n( http://library.thinkquest.org/20443/huanghe.html )
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Heilongjiang River: Situated in the northernmost part of China, it has a drainage area of more than 1.62 million square km.\nNicknamed "Mysterious Scenic Horizon", the Heilongjiang is an international river, which meanders its way across Russia, Mongolia and China. The middle section of the 4,370-km-long river marks the boundary between China and Russia. Its water showing a darkish hue, the river looks like a swimming dragon as it flows through a picturesque landscape teeming with local folklore. Cruises on the river begin at Mohe in the north, and pass such places as Xilinji, Heihe, Xunke, and Zhanhe. Daredevils may also go rafting in the river. Mohe is China's northernmost town; also known as North Pole Village, it is where the aurora borealis can be observed during the summer solstice, which falls on June 21 or 22.\n\nAlso:\n\nThe Heilongjiang River, the Sino-Russian boundary river, runs across the northern part of north China. Its headstream includes the northern source and the southern source. The northern source Shilka River originates from the eastern foothills of the Mount Kent in the Outer Mongolia, and the southern source Argun River originates from the western slope of China's Great Hinggan Mountains. After the convergence of the southern source and the northern source at the Xiluoguhe Village, Mohe City, China, the river is called as the Heilongjiang River that runs eastwardly and finally empties into the Sea of Okhotsk. The Heilongjiang River flows across China, Russia and the Outer Mongolia. Its entire length is 4,370 kilometers, the 11th largest river in the world. Its drainage area is up to 1,843,000 square kilometers, ranking the 10th largest in the world. The drainage area within China accounts for 48% of the total drainage area.   \nThe Heilongjiang River was known as the Yushui, Wanshui and Heishui in ancient China. The forests are luxuriant and the aquatic grasses are verdant wherever the Heilongjiang River flows across. The rich black humus in the soil is carried into the river by the surface water and the river water therefore becomes livid. The Manchu people living in the Heilongjiang River Valley call the river Sahalianwula, the Sahalian means the black color, and the Wula means the river. The name of the Heilongjiang River (river in the shape of a black dragon) was thus formed. Therefore, it is lively and visual to name the slightly black river that looks like a black swimming dragon as the Heilongjiang River.\nThe Heilongjiang River has total 200 more tributaries in which the large ones include the Songari River, the Wusuli River, the Zeya River and the Bulieya River.
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It is a very long river running some 4,000 miles, through Peru and the Brazilian rain forest. The Nile in Africa is longer, but the Amazon is wider, up to 6 miles wide in places.\n\nThe Amazon has by far the greatest total flow of any river, carrying more than the Mississippi, Nile, and Yangtze rivers combined — so while it may not be the longest river, it is undoubtedly the largest. Its drainage area, called the Amazon Basin, is the largest of any river system.\n\nThe quantity of fresh water released to the Atlantic Ocean is enormous: up to 300,000 m³ per second in the rainy season. Indeed, the Amazon is responsible for a fifth of the total volume of fresh water entering the oceans worldwide. \n\nIt is said that offshore of the mouth of the Amazon potable water can be drawn from the ocean while still out of sight of the coastline, and the salinity of the ocean is notably lower a hundred miles out to sea.\n\nThe main river (which is usually between one and six miles wide) is navigable for large ocean steamers to Manaus, 1,500 km (more than 900 miles) upriver from the mouth. Smaller ocean vessels of 3,000 tons[1] and 5.5 m (18 ft) draft[2] can reach as far as Iquitos, 3,600 km (2,250 miles) from the sea. \n\nThe Amazon drains an area of some 6,915,000km² (2,722,000 mile²), or some 40 percent of South America. It gathers its waters from 5 degrees north latitude to 20 degrees south latitude. \n\nIts most remote sources are found on the inter-Andean plateau, just a short distance from the Pacific Ocean; and, after a course of about 6,400 km (4,000 mi) through the interior of Peru and across Brazil, it enters the Atlantic Ocean at the equator.\n\nThe Amazon has changed its drainage several times, from westward in the early Cenozoic Era to its present eastward locomotion following the uplift of the Andes.\n\nTIDAL BORE\n\nFollowing the coast, a little to the north of Cabo do Norte, and for 160 km (100 miles) along its Guiana margin up the Amazon, is a belt of half-submerged islands and shallow sandbanks. Here the tidal phenomenon called the bore, or Pororoca, occurs, where the depths are not over 4 fathoms (7 m). \n\nThe tidal bore starts with a roar, constantly increasing, and advances at the rate of from 15 to 25 km/h (10 to 15 mph), with a breaking wall of water from 1.5 to 4 m (5 to 12 ft) high. The bore is the reason the Amazon does not have a delta; the ocean rapidly carries away the vast volume of silt carried by the Amazon, making it impossible for a delta to grow. It also has a very large tide sometimes reaching 20 feet.
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The longest river in the world flows north, the Nile. \n\nThe Rhine ends up northerly, though if I am not mistaken, farther inland, flows predominantly westerly.\n\nThose are the main big ones, though just about any river that empties into a body of water north of the landmass it is on, is going to, out of necessity, flow generally northerly. Such rivers would be in Canada, Alaska, and Russia emptying into the Arctic Ocean. Northern African countries with rivers emptying in to the Med, would be flowing north, though those countries are predominanty desert, so the rivers would probably not be much.\n\nThere are rivers in northern South America, in Columbia and Venezuela that would be flowing into the southern Carribean Sea on a northerly course.\n\nWith the exception of the Nile, most rivers that flow north are not in areas that attract that much attention. Afterall, how much activity is there on the Arctic Ice Pack to draw attention to frozen rivers emptying into it.\n\nIt is not a matter of more rivers flowing south, but rather most rivers THAT GET ATTENTION flow in a direction other than north. (Afterall, the Amazon River has a mostly easterly course.)
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Longest the nile 6500 km long (africa) \n\nShortest river Roe River see the link
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This is technically not true.  The longest bridge in the world is the Second Lake Pontchartrain Causeway, which joins Mandeville and Metairie, Louisiana, USA.  It is 38.422km long, and was completed in 1969.\n \nWhat the Akashi-Kaikyo bridge has is the longest bridge span, which is the distance between the suspension towers.
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Easy, the Amazon has the largest capacity in the world at around 219,000 cubic metres per second and a drainage basin of almost 7,000,000 square kilometres, whilst the second place Congo has only 41,800 cubic metres per second and a 3,680,000 square kilometre drainage basin.  The Amazon wins handily.\n\nHope this helps.\n\nNote: The Nile, though the longest river in the world with an impressive 3,600,000 square kilometre drainage basin doesn't come close to the average discharge of the Amazon, at only around 5000 cubic metres per second.