Right behind the Ganges, the Indonesian river named the Citarum is the world's most polluted. Over 200 million people depend on the river, and environmentalists are working hard to find sustainable solutions for the region.With 6.9 million people, Rio de Janeiro is the largest city in Brazil, but it's not located on the Amazon River. The largest city on the Amazon is Manaus, with 2 million people. If you want to visit a river in Rio de Janeiro, you'll have to visit the Guandu River.Scholars debate about the way the New River got its name. Some believe that it was a translation of a Native American word, but others believe it was named for an earlier settler. The New River meets up with the Gauley River to form the Kanawha; it's one of the most unique confluences in the world.The Rhine may only be 766 miles long, but it's a major water source for Germany and the Netherlands. One of the few rivers in the world to flow towards the north, it empties into the North Sea near Rotterdam.Debates still abound about which river is the longest, but recent studies have proven that the Amazon is smaller than the Nile. While the Nile runs for 4,132 miles, the Amazon comes up short at 3,977 miles.Logically, the largest portion of the Niger River is found in the Republic of Nigeria. It rises in the Guinea Highlands and forms a boundary between Niger and Libya. Lower water levels are currently forcing local ecologists to find invasive species of plants like the water hyacinth.You will not find any dams along the banks of the Amur River in China or Russia. The river's relatively untouched landscape makes it the perfect breeding grounds for wildlife. One of the river's fish, the Kaluga, can grow up to 18 feet long!Some of the world's finest salmon fishing can be found on the Yukon River in both the U.S. and Canada. The mouth of the Yukon rests on the Bering Sea in Alaska, but the river's source lies in British Columbia, Canada.By volume, the Congo River is the world's second-largest behind the Amazon. As the deepest river in the world, it's traditionally been used for irrigation and transportation. However, its tremendous output is being used more and more to create hydroelectric power.The Hoover Dam was constructed on the Colorado River to provide irrigation to desert regions of the American Southwest. For 1,459 miles, the Colorado River traverses through Arizona, Colorado, Nevada and California before crossing the Mexican border.It's impossible to take a trip down Beall Street without going for a stroll along the banks of the Mississippi. Famous for its blues music, Memphis has been a long-time hub for the industries that utilize the river for transportation.Flowing southwest for 981 miles, the Ohio River provides a natural boundary between Ohio and Kentucky and Indiana and Kentucky. It eventually joins up with the Mississippi River, but it's sadly considered one of the most polluted rivers in the United States.Although you're not likely to see one while visiting Egypt, the Nile hippopotamus thrives on the banks of the river. Able to run up to 19 mph, they are responsible for 3,000 deaths every year.The Lena River is the third largest river in Russia, but it's one of the world's longest. Running for 2,668 miles from the Baikal Mountains, its picturesque wetlands provide the perfect environment for Siberian wildlife to thrive in cold climates.The Zambezi River is roughly half the size of Africa's largest river, the Nile. Visitors from all over the world travel Victoria Falls to take in the largest waterfall in the world when the Zambezi is at its highest.Large portions of the Sepik River are still undeveloped, and the people of New Guinea have used it for food since ancient times. Although it has the third-largest volume output of all the rivers on New Guinea, it is the longest at 700 miles.From food to transportation, the Mekong River makes life possible for around 60 million people. Starting in China, it traverses through Nepal, Laos, Thailand and Cambodia before finally emptying into the South China Sea near Ho Chi Minh City.The Rio Grande empties into the Gulf of Mexico after running through the Chihuahuan region of Mexico and the United States. It's not one of the major players in the river trade game, but there would be little irrigation in the desert area without it.In 2009, Captain "Sully" landed a US Airways flight in the middle of the Hudson River. The Hudson reaches a depth of 216 feet near a gorge named World's End and flows right past the Statue of Liberty in NYC.Helping to form the Fertile Crescent, the Tigris River might well have been the location of The Garden of Eden. At least, that's what scholars believe. The river helps provide ideal growing conditions in an otherwise barren landscape.It's not uncommon to see practitioners of the Hindu religion bathing in the sacred waters of the Ganges. Running 1,569 miles through India and Asia is considered the embodiment of the goddess Ganga.The Volga River is not the river you see running through Moscow, but it is Europe's largest. Moscow sits on a tributary of the Volga River. The Volga runs from just outside Moscow and all the way to the Caspian Sea, though.With a depth sometimes reaching 558 feet, the Parana River flows through the southeastern part of South America. It's known for its one of a kind birdwatching and helps to connect the innermost portions of the continent with the Atlantic Ocean.The Euphrates River runs through Turkey, Syria and Iraq, but it's all the way across the Mediterranean Sea from Italy. The Euphrates and the Tigris meet up in Iraq to form a lush valley in the Mesopotamian region.Known as the cradle of Chinese civilization, the Huang He runs through nine different Chinese provinces. The world's muddiest river gets its name from the minerals that deposit as the river travels through mountainous terrain.Formed by a confluence of four smaller rivers, the Missouri River starts in the Rocky Mountains of Montana. If you were to hear locals talking about it, you might hear them calling it "Big Muddy."At only 230 miles long, the River Thames might be England's second-largest river, but it's the most popular. The London Bridge straddles the river shortly before it flows past Oxford and empties into the North Sea.Starting in Peru, the Amazon River is the world's second-longest river. Created over 11 million years ago, the watery giant empties into the Atlantic Ocean on the Brazilian coast. It's the primary life source for over 1,000,000 species of rainforest plants and animals.The Danube River runs through more countries than any other country in the world, including Austria, Serbia, Hungary, Romania and Bulgaria. It runs from the mountains of Germany and into the Black Sea.The Nile is the longest river in the entire world! When Cleopatra looked out over the Nile, she was only seeing a little of its 4,160 miles. During the days of the ancient Egyptians, the river's fertile soil served as the perfect farmland.Whether you call it the "child of the ocean" or "long river," the Yangtze is the world's third longest river. Flowing 3,915 miles from Tibet to Shanghai, it has over 700 tributaries."Old Man River," or the Mississippi River, runs 2,348 miles through the heartland of the United States. It might be known for its transportation history, but it serves another essential purpose. The Mississippi River is a drainage source for several other North American rivers, which helps to avoid flooding.The Tigris River runs through Turkey, Syria, and Iraq.
🗺️ It originates in the Taurus Mountains of eastern Turkey, flows southeast through Syria for a short stretch, and then continues through Iraq, eventually joining the Euphrates River to form the Shatt al-Arab, which empties into the Persian Gulf.The River Nile is approximately 6,650 kilometers long, which is about 4,130 miles.China's Yellow River basin was one of the first settled areas within the nation. The river's reputation for flooding gives it a nickname that locally translates to "sorrow." Once a prosperous river full of industry, it's now undergoing massive conservation efforts.China's Yellow River basin was one of the first settled areas within the nation. The river's reputation for flooding gives it a nickname that locally translates to "sorrow." Once a prosperous river full of industry, it's now undergoing massive conservation efforts.The world’s widest river is the Amazon River — particularly during the rainy season.
🌊 At its widest point in flood season, the Amazon can stretch up to 24.8 miles (40 kilometers) across, and even wider in some areas when including its vast network of distributaries and wetlands. This immense width, combined with its volume and discharge, makes it not just the widest, but also the largest river by water flow in the world.Traversing its way along the Pakistani border to the Arabian Sea, the Indus River is one of the only water sources in the region. Also known as the "Father of All Rivers," it was once home to the Harappan Civilization.The River Shannon runs roughly through the middle of Ireland and drains into a basin of the same name. Covering an area that comprises 20% of the country, its river basin is one of Europe's most spacious.The Irrawaddy is Myanmar’s largest and most important river, running north to south through the country. It originates from the confluence of the N’mai and Mali rivers in the north and flows over 1,300 miles (2,100 km) to the Andaman Sea. The river is vital for transportation, agriculture, and fishing, and it's often considered the lifeline of Myanmar.You scored 0 out of 40You scored 1 out of 40You scored 2 out of 40You scored 3 out of 40You scored 4 out of 40You scored 5 out of 40You scored 6 out of 40You scored 7 out of 40You scored 8 out of 40You scored 9 out of 40You scored 10 out of 40You scored 11 out of 40You scored 12 out of 40You scored 13 out of 40You scored 14 out of 40You scored 15 out of 40You scored 16 out of 40You scored 17 out of 40You scored 18 out of 40You scored 19 out of 40You scored 20 out of 40You scored 21 out of 40You scored 22 out of 40You scored 23 out of 40You scored 24 out of 40You scored 25 out of 40You scored 26 out of 40You scored 27 out of 40You scored 28 out of 40You scored 29 out of 40You scored 30 out of 40You scored 31 out of 40You scored 32 out of 40You scored 33 out of 40You scored 34 out of 40You scored 35 out of 40You scored 36 out of 40You scored 37 out of 40You scored 38 out of 40You scored 39 out of 40You scored 40 out of 40
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You've zipped through our trivia like a speedy kangaroo on a mission. Your smarts light up Quizday like a dazzling firework show! Keep hopping from one quiz to another, spreading your cleverness and inspiring us all with your know-how. You're a true trivia superstar!您的得分為 $score（共 $count 分）Vous avez obtenu un score de $score sur $countSie haben $score von $count Punkten erreichtHai ottenuto $score su $countあなたは $score 点を獲得しました（$count 点満点）당신은 $score점을 얻었습니다（$count점 만점）Has obtenido $score de $countVocê obteve $score de $count pontosRivers have shaped civilizations, carved canyons, and powered cities — but how much do you really know about the world’s most iconic waterways? From the Amazon to the Yangtze, this quiz will test your geography knowledge and challenge your memory of these flowing giants.
Picture yourself cruising the Nile or rafting the Colorado as you dive into each question. Whether you're a seasoned traveler or just a curious learner, it's time to go with the flow and see if your brain can trace the course of history’s greatest rivers.
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What's the name of the world's most polluted river?
Rivers have shaped the course of human history, carved continents, and nurtured ancient civilizations. From the mighty Nile to the winding Mississippi, these waterways are more than just flowing bodies of water—they’re lifelines of culture, trade, and life itself.
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Great job navigating the twists and turns of this quiz! Whether you aced it or picked up some new facts along the way, you’ve proven you’re no stranger to the world’s waterways. Share your score, challenge your friends, and keep exploring — there’s always another river to discover. 🌊
