World Geography and Capitals

Moscow is built on the Moskva River, which flows through the center of the city. The Moskva River is a tributary of the Oka River and has been central to Moscow's development since the city's founding.

The Nile River flows through Cairo, Egypt, and is the lifeblood of the city and country. Cairo is located on the Nile River's banks, and the river has sustained Egyptian civilization for thousands of years.

The Danube River flows through Vienna, Austria, and is Europe's second-longest river. The Danube has been vital to Vienna's development as a center of trade and culture, connecting the city to Eastern and Central Europe.

Bloemfontein is one of South Africa's three capital cities, serving as the judicial capital where the Supreme Court of Appeal is located. South Africa has three capitals: Pretoria (executive), Cape Town (legislative), and Bloemfontein (judicial). Chad, Solomon Islands, and Madagascar are other nations with different capital cities.

Dublin is the capital city of Ireland, located on the country's east coast at the mouth of the River Liffey. It has been Ireland's primary city since the medieval period and serves as the political, cultural, and economic center. The other options are capitals of different countries: Durban (South Africa), Manchester (England), and Reykjavik (Iceland).

Astana (now renamed Nur-Sultan in 2019) is the capital of Kazakhstan. The city was specifically built as the new capital in 1997, moving from Almaty, and remains the administrative center. Almaty was the former capital and is still the largest city, while Oral and Akmola are other cities in Kazakhstan. The question asks for the 'present' capital, making Astana/Nur-Sultan the correct answer.

Edinburgh is the capital of Scotland, part of the United Kingdom. It is home to the Scottish Parliament and has been Scotland's capital since the 15th century. The city is known for its historic Old Town, castle, and annual festival. The other options are major Scottish cities but not the capital: Glasgow (largest city), Aberdeen (oil industry hub), and Dundee.

Quito is the capital of Ecuador, located high in the Andes mountains at an elevation of 2,850 meters. It is the second-highest capital city in the world and known for its well-preserved colonial center. The other options are capitals of neighboring South American countries: Paraguay (Asunción), Colombia (Bogotá), and Bolivia (La Paz/Sucre).

Rabat is the capital of Morocco, located on the Atlantic coast. It has been the capital since French colonial times and houses the country's primary government institutions. Casablanca is Morocco's largest city and economic hub but not the capital. The other options are from different regions: Gibraltar (British Overseas Territory), and Dammam (Saudi Arabia).

Luxembourg City is the capital of Luxembourg, a small Western European country. The city is situated at the confluence of the Alzette and Pétrusse rivers and is known for its historic fortifications. The other options are capitals of different European countries: Liga (typo for Riga, Latvia), Tallinn (Estonia), and Rotterdam (Netherlands, not a capital - The Hague is).

Cardiff is the capital city of Wales, which is one of the four constituent countries of the United Kingdom. Northern Ireland's capital is Belfast, England's capital is London, and the Isle of Man is a Crown Dependency (not part of the UK) with its capital at Douglas.

Naypyidaw (also spelled Nay Pyi Taw) is the capital city of Myanmar (formerly Burma). It replaced Yangon (Rangoon) as the capital in 2005. Rwanda's capital is Kigali, Somalia's is Mogadishu, and Vietnam's capital is Hanoi.

La Paz, Bolivia is the highest capital city in the world at an elevation of approximately 3,650 meters (11,975 feet) above sea level. It serves as the administrative capital, while Sucre is the constitutional capital. Argentina's capital is Buenos Aires, Nepal's is Kathmandu, and Norway's is Oslo - none of which are as high as La Paz.

Muscat is the capital and largest city of Oman. Dubai and Fujairah are emirates in the UAE, while Abu Dhabi (spelled 'Abudhabi' here) is the capital of the UAE, not Oman.

Pristina is the capital of Kosovo, which declared independence from Serbia in 2008. East Timor (Timor-Leste) became independent in 2002 with capital Dili. Serbia's capital is Belgrade, and Western Sahara is a disputed territory with El Aaiun as its largest city. Note: 'Weatern Sahara' in option D appears to be a typo.