Explanation

The Niger Delta is a densely populated region in Nigeria sometimes called the Oil Rivers because it was once a major producer of palm oil

Explanation

River/stream that flows into a larger river or a lake is called a Tributary.

Explanation

The Yangtze River in China is the longest river in Asia,

the third-longest river in the world and

the longest river to flow entirely in one country.

Explanation

Uri Dam location: Baramulla district of IOK (near LOC)

Explanation

Murray River: South-eastern Australia (longest river at 2,508 km extent). 

Explanation

The Danube is Europe's second-longest river, after the Volga.

The Danube River flows through 10 countries, more than any other river in the world.

Danube River is located in Central and Eastern Europe.

The Danube was once a long-standing frontier of the Roman Empire,

Danube River is the River world crosses most countries during its drainage.

Explanation

Answer: B

t rises in the Black Forest mountains of western Germany and flows for some 1,770 miles (2,850 km) to its mouth on the Black Sea. Along its course, it passes through 10 countries: Germany, Austria, Slovakia, Hungary, Croatia, Serbia, Bulgaria, Romania, Moldova, and Ukraine.

Explanation

• The Citarum River  is the most polluted in the world
• Located in West Java, Indonesia
• described as an "open sewer."
• Length: 270 km (170 mi)
• Elevation: 1,600 m (5,200 ft)
• Source: Situ Cisanti; Mt. Wayang; Mt. Kendang
• Waterbodies: Jatiluhur dam; Cirata dam; Saguling dam

Last updated 25-07-2026 by NA

Explanation

Answer

c

The Amazon River in  South America

 The Amazon River is 3,980 miles (6,400 kilometers) long, according to the U.S. National Park Service. It is, however, the world`s largest river by volume and contains 20 percent of the Earth's freshwater, according to the National Science Foundation

Explanation