Correct: C. Florida

The Manatee, often called the "Sea Cow," is most commonly found in the shallow coastal waters and rivers of the US state of Florida. They are gentle, slow-moving herbivores that migrate into Florida's warm freshwater springs during the winter months to escape the cold Gulf and Atlantic waters. Because they move so slowly and spend a lot of time near the surface, they are strictly protected by law to prevent accidents with motorboats.

Correct: A. USA and Canada

The USA and Canada share the world's longest international land border - the 8,891 km boundary between the contiguous United States and Canada plus the Alaska-Canada border. It is also known as the world's longest undefended border.

Correct: A. The English Channel

The English Channel (La Manche in French) separates southern England from northern France - at its narrowest point near Dover and Calais it is only 33.3 km wide. The Channel Tunnel runs beneath it connecting the two countries.

Correct: C. Indonesia

Indonesia has the world's second longest coastline at approximately 99,083 km - the archipelago's thousands of islands create an enormous total coastal length. Norway is often cited in this context but Indonesia's coastline exceeds Norway's measured total.

Correct: B. Europe and Africa

The Strait of Gibraltar connects the Atlantic Ocean to the Mediterranean Sea and separates Europe (Spain) from Africa (Morocco) at its narrowest point of approximately 14.3 km.

Correct: D. Vatican City

Vatican City is completely surrounded by Rome, Italy - making it the world's smallest internationally recognised sovereign state at approximately 0.44 square kilometres. San Marino is also completely surrounded by Italy but Vatican City is the more famous example.

Correct: C. Bosphorus Strait

The Bosphorus (or Istanbul Strait) connects the Black Sea to the Sea of Marmara and is one of the world's most strategically important waterways. The city of Istanbul straddles both sides making it the world's only metropolis spanning two continents.

Correct: B. China

China shares land borders with 14 countries - Russia, Mongolia, Kazakhstan, Kyrgyzstan, Tajikistan, Afghanistan, Pakistan, India, Nepal, Bhutan, Myanmar, Laos, Vietnam, and North Korea. Russia also borders 14 countries making them joint leaders.

Correct: C. Johor Strait

The Johor Strait (also called the Straits of Johor) separates Singapore from the Malaysian state of Johor - it is crossed by the Johor-Singapore Causeway and the Second Link bridge connecting the two countries.

Correct: D. Malaysia and Indonesia

The Strait of Malacca runs between the Malay Peninsula (peninsular Malaysia and Thailand) and the island of Sumatra (Indonesia) - one of the world's most important shipping lanes connecting the Indian Ocean to the South China Sea.

Correct: D. Bay of Bengal

The Bay of Bengal is the northeastern part of the Indian Ocean bounded by India to the west, Bangladesh and Myanmar to the north, and the Andaman and Nicobar Islands to the east. It is one of the world's largest bays.

Correct: B. Mexico

Mexico has an extensive southern coastline along the Gulf of Mexico on its eastern side - the Gulf coast includes states such as Veracruz, Tamaulipas, Tabasco, Campeche, and Yucatn.

Correct: A. Gulf of Aden

The Gulf of Aden connects the Red Sea to the Arabian Sea - it separates Somalia and the Horn of Africa to the south from Yemen and the Arabian Peninsula to the north. The Suez Canal connects the Mediterranean to the Red Sea and then the Gulf of Aden provides access to the Indian Ocean.

Correct: B. Persian Gulf and Gulf of Oman

The Strait of Hormuz connects the Persian Gulf to the Gulf of Oman - at its narrowest the strait is approximately 39 km wide. It is one of the world's most critical oil transit chokepoints.

Correct: D. Adriatic Sea

The Adriatic Sea separates the Italian Peninsula from the Balkan Peninsula - its shores are shared by Italy, Slovenia, Croatia, Bosnia and Herzegovina, Montenegro, and Albania. Venice is its most famous city.

Correct: A. Chile

Chile has the longest coastline in South America at approximately 6,435 km - its extraordinarily narrow width (averaging only 177 km east-west) means almost the entire western edge of South America along the Pacific Ocean belongs to Chile.

Correct: B. Isthmus of Panama

The Isthmus of Panama is the narrow land bridge connecting North and South America - the Panama Canal cuts through it connecting the Pacific Ocean to the Atlantic via the Caribbean Sea.

Correct: A. Atlantic Ocean

Norway's western coastline faces the North Sea and the Norwegian Sea - both part of the broader North Atlantic Ocean. Norway's coastline is remarkable for its fjords which dramatically increase its total measured length.

Correct: A. Gulf of Bothnia

The Gulf of Bothnia is the northernmost arm of the Baltic Sea - separating Sweden to the west from Finland to the east. The gulf freezes partially or completely in winter, historically enabling walking between the countries during particularly cold winters.

Correct: B. Georgia

Georgia has coastline on the Black Sea and shares a border with Armenia which borders the Caspian-adjacent Azerbaijan - but technically Azerbaijan borders both the Caspian Sea and shares a short border with Iran which borders the Caspian. The correct answer is technically Russia which touches both.

Correct: D. North Channel

The North Channel (Irish: An Mhuir Thuaidh) separates southwestern Scotland from northeastern Ireland - at its narrowest point near the Mull of Kintyre it is only about 19 km wide. It is part of the Irish Sea system.

Correct: D. Lesotho

Lesotho is completely surrounded by South Africa - making it one of only three countries in the world that are completely enclosed by a single other country (along with San Marino and Vatican City which are enclosed by Italy).

Correct: A. Arabian Sea

The Arabian Sea is the northwestern arm of the Indian Ocean - bounded by the Arabian Peninsula and Pakistan to the north and west, India to the east, and Somalia and the Horn of Africa to the west. It connects through the Gulf of Aden to the Red Sea.

Correct: D. Texas

Texas has the longest Gulf of Mexico coastline of any US state - approximately 1,906 km. The Texas Gulf Coast stretches from the border with Louisiana to the border with Mexico and is characterised by barrier islands and bays.

Correct: B. England and France

The Strait of Dover (Pas de Calais in French) at 33.3 km is the narrowest point of the English Channel - separating Dover in England from Calais in France. It is the world's busiest international shipping lane.

Correct: B. Sea of Japan

The Sea of Japan (East Sea in Korean) lies between the Japanese archipelago and the Korean Peninsula and Russia's Far East coast. The naming dispute - Japan insisting on Sea of Japan while Korea prefers East Sea - reflects historical tensions.

Correct: C. Honduras

Honduras has coastline on both the Pacific Ocean (on its Gulf of Fonseca coast in the southwest) and the Caribbean Sea (on its northern coast) - one of the few Central American countries with access to both oceans.

Correct: D. Black Sea

The Black Sea is bordered by Turkey, Romania, Bulgaria, Ukraine, Russia, and Georgia - a semi-enclosed sea connected to the Mediterranean through the Turkish Straits (Bosphorus and Dardanelles).

Correct: D. Singapore

Singapore occupies a strategic island at the southern end of the Strait of Malacca - its position controlling the world's most important shipping lane has been central to its extraordinary commercial success since its founding as a British trading post in 1819.

Correct: C. Peter the Great Gulf

Peter the Great Gulf (Zaliv Petra Velikogo) is a large inlet of the Sea of Japan on Russia's Pacific coast containing Vladivostok - Russia's largest Pacific port and home of the Russian Pacific Fleet.

Correct: C. Central African Republic

The Central African Republic is landlocked and bordered by Chad, Sudan, South Sudan, Democratic Republic of Congo, Republic of Congo, and Cameroon - six countries in total.

Correct: A. Tyrrhenian Sea

The Tyrrhenian Sea lies between the Italian Peninsula, the island of Sardinia, the island of Corsica, and the island of Sicily - it is part of the broader Mediterranean Sea system.

Correct: D. Spain

Spain (along with France) has coastline on the Bay of Biscay - the northern Spanish coast along the Cantabrian Sea (the bay's inner area) includes the Basque Country, Cantabria, Asturias, and Galicia.

Correct: B. resund

The resund (resund in Swedish) is the narrow strait between the Danish island of Zealand (where Copenhagen is located) and the Swedish province of Skne - the two countries are connected by the resund Bridge.

Correct: C. France

France borders the Mediterranean Sea (Cote d'Azur), the Atlantic Ocean (Bay of Biscay and Brittany), and the English Channel (La Manche) - plus the North Sea in a small section near the Belgian border - making it one of the few countries with multiple sea frontages.

Correct: D. South Africa

South Africa has coastline on both the Atlantic Ocean (west coast) and the Indian Ocean (east coast) - the Cape of Good Hope and Cape Agulhas mark the approximate meeting point of the two oceans at the continent's southern tip.

Correct: B. Bering Sea

The Bering Sea lies between Alaska (USA) and Russia - at its narrowest point the Bering Strait is only 88 km wide separating North America from Asia.

Correct: A. Australia

Australia is surrounded by the Indian Ocean to the west and northwest, the Timor Sea and Arafura Sea to the north, the Coral Sea and Pacific Ocean to the east, and the Tasman Sea to the southeast - making it one of the world's most water-surrounded landmasses.

Correct: A. Aegean Sea

The Aegean Sea lies between the Greek mainland and the Anatolian coast of Turkey - it contains numerous Greek islands and is historically one of the world's most culturally significan't bodies of water.

Correct: A. Bolivia and Paraguay

Bolivia and Paraguay are the only two landlocked countries in South America. Bolivia lost its Pacific coast to Chile during the War of the Pacific (1879-1884) - a loss that continues to define Bolivian national identity and foreign policy.

Correct: B. Drake Passage

The Drake Passage lies between Cape Horn at the southern tip of South America and the South Shetland Islands of Antarctica - at approximately 800 km wide it is the widest passage in the world and one of the most notoriously rough sea crossings.

Correct: C. Australia

Australia's eastern coastline borders the Coral Sea - particularly the states of Queensland and New South Wales. The Great Barrier Reef lies within the Coral Sea along Queensland's coast.

Correct: B. Egypt

Egypt has coastline on both the Red Sea (along the Sinai Peninsula's eastern coast and the African mainland's coast) and the Mediterranean Sea (along its northern coast). The Suez Canal connects the two bodies of water.

Correct: D. Madagascar and mainland Africa

The Mozambique Channel separates the island of Madagascar from mainland Africa (Mozambique and other countries) - at its narrowest point it is approximately 422 km wide.

Correct: C. Sunda Strait

The Sunda Strait separates the Indonesian islands of Sumatra and Java - the Krakatoa volcanic island group lies within the strait.

Correct: D. Denmark

Denmark borders both the North Sea (along its Jutland peninsula's western coast) and the Baltic Sea (to the east of the Jutland peninsula and around its islands) - the narrow straits between Denmark and Sweden (resund, Great Belt, and Little Belt) connect the two bodies of water.

Correct: D. Skagerrak

The Skagerrak is the sea passage between the Scandinavian Peninsula (Norway and Sweden) and the Jutland Peninsula (Denmark) - it connects the North Sea to the Kattegat and ultimately the Baltic Sea.

Correct: A. Qatar

Qatar is an peninsula that extends into the Persian Gulf - it has coastline exclusively on the Persian Gulf and does not reach the Arabian Sea or Gulf of Oman.

Correct: B. Gulf of St. Lawrence

The Gulf of St. Lawrence is a large body of water on Canada's eastern coast - almost enclosed by the provinces of Quebec, Prince Edward Island, New Brunswick, Nova Scotia, and the island of Newfoundland. The St. Lawrence River drains into it.

Correct: C. Russia

Russia borders both the Caspian Sea (along its Dagestan and Kalmykia coastlines) and the Black Sea (along its Krasnodar and Crimea coastlines) - it is the only country with borders on both bodies of water.

Correct: D. Arabian Sea

The Arabian Sea borders Pakistan along its Balochistan and Sindh coastlines and western India along its Gujarat, Maharashtra, Goa, Karnataka, and Kerala coastlines. The sea is a crucial pathway for oil tankers from the Persian Gulf.

Correct: A. Norway

Norway has the longest coastline in Europe - when measured including the intricate fjords and inlets the coastline is approximately 25,148 km for the mainland alone. Including islands the total exceeds 50,000 km.

Correct: C. Antarctica

Antarctica has no permanent national borders - the Antarctic Treaty System (1959) designates the continent as a scientific preserve and prohibits military activity and territorial claims. Various countries have made overlapping territorial claims but these are frozen under the treaty.

Correct: C. Bay of Bengal

The Bay of Bengal forms the northeastern boundary of the Indian Ocean - India borders it to the west, Bangladesh and Myanmar to the north, and the Andaman and Nicobar Islands to the east. The Sundarbans mangrove forest lies at the Bay's northern end.

Correct: B. Monaco

Monaco is a tiny principality on the French Riviera with approximately 3.8 km of Mediterranean coastline - the world's second smallest sovereign state by area (after Vatican City).

Correct: C. Yellow Sea

The Yellow Sea lies between mainland China and the Korean Peninsula - it is named for the yellowish sediment deposited by Chinese rivers particularly the Yellow River (Huang He).

Correct: B. Colombia

Colombia has coastline on both the Pacific Ocean (southwestern coast) and the Caribbean Sea (northern coast) - the only South American country with both Pacific and Caribbean coastlines.

Correct: C. Suez Canal

The Suez Canal connects the Red Sea (at Suez) to the Mediterranean Sea (at Port Said) - opened in 1869, it eliminated the need to sail around Africa for trade between Europe and Asia.

Correct: A. Lombok Strait

The Lombok Strait separates the islands of Bali and Lombok in Indonesia - it is significan't beyond its geography as the location of Alfred Russel Wallace's famous biogeographical boundary.

Correct: B. United Kingdom

The United Kingdom has coastline on the North Sea (eastern England and Scotland), the English Channel (southern England), the Atlantic Ocean (western Scotland, Wales, and northern England), and the Irish Sea - giving it exceptional maritime access in multiple directions.

Correct: C. Caspian Sea

The Caspian Sea is the world's largest landlocked body of water - bordered by Russia to the northwest, Azerbaijan to the west, Iran to the south, Turkmenistan to the southeast, and Kazakhstan to the northeast.

Correct: C. Sea of Cortez

The Sea of Cortez (Gulf of California) separates the Baja California Peninsula from mainland Mexico - famous for extraordinary marine biodiversity. It is not primarily known for tidal bores - the Bay of Fundy in Canada is famous for the world's highest tides.

Correct: B. Strait of Belle Isle

The Strait of Belle Isle separates the island of Newfoundland from Labrador (part of the Canadian mainland province of Newfoundland and Labrador) - a narrow, icy strait that was historically significan't for Viking exploration of North America.

Correct: C. Ghana

Ghana's entire coastline faces the Gulf of Guinea - approximately 539 km of Atlantic Ocean coast. Ghana was previously known as the Gold Coast under British colonial rule reflecting its historical gold trade.

Correct: C. Bass Strait

Bass Strait separates mainland Australia from the island of Tasmania - approximately 240 km wide at its narrowest. It is notoriously rough due to the Southern Ocean swells funnelled through the passage.

Correct: B. Norway and Sweden

Norway and Sweden share a land border of approximately 1,619 km - one of Europe's longest bilateral land borders running through Scandinavian mountains and forests.

Correct: B. North Atlantic Ocean

The North Atlantic Ocean separates the eastern United States and Canada from Europe - it was the site of critical World War II naval battles (Battle of the Atlantic) and is crossed by approximately 16 million passengers annually by air.

Correct: D. India

India has coastlines on the Arabian Sea to the west, the Bay of Bengal to the east, and the Lakshadweep Sea (between the mainland and the Lakshadweep Islands) - making it one of the world's most ocean-surrounded large countries.

Correct: A. South China Sea

The South China Sea is bounded by China to the north, Vietnam to the west, the Philippines to the east, and Malaysia and Brunei to the south - one of the world's most contested maritime territories with multiple overlapping claims.

Correct: B. Gulf of Guinea

The Gulf of Guinea is the large bay on West Africa's coast - bordered by countries including Nigeria, Ghana, Cte d'Ivoire, Cameroon, Benin, Togo, Gabon, and Equatorial Guinea. The equator crosses the Gulf of Guinea's open ocean.

Correct: C. Cuba

Cuba is an island nation entirely surrounded by the Caribbean Sea (south and west) and the Atlantic Ocean (north and northeast) - the largest island in the Caribbean at approximately 110,860 square kilometres.

Correct: D. Pacific Ocean

New Zealand's eastern coast faces the Pacific Ocean - the South Pacific Ocean specifically - while its western coast faces the Tasman Sea which separates New Zealand from Australia.

Correct: D. Germany

Germany shares land borders with 9 countries - Denmark, Netherlands, Belgium, Luxembourg, France, Switzerland, Austria, Czech Republic, and Poland - the most of any European country.

Correct: B. Cook Strait

Cook Strait separates New Zealand's North Island from the South Island - at its narrowest point it is approximately 23 km wide. It is named after explorer Captain James Cook who first mapped it in 1770.

Correct: C. Palk Strait

The Palk Strait separates southeastern India (Tamil Nadu) from northern Sri Lanka - at its narrowest point approximately 53 km wide. The Gulf of Mannar lies to the south.

Correct: D. Bay of Fundy

The Bay of Fundy between Nova Scotia and New Brunswick has the world's highest tidal range - approximately 16 metres at its maximum in the Minas Basin. The tidal bore (a wave of incoming tidal water) travels up several rivers bordering the bay.

Correct: D. Gibraltar Strait

The Strait of Gibraltar (Strait of Tarifa at its narrowest) separates Spain at its southernmost point from Morocco in Africa - just 14.3 km at the narrowest. It connects the Atlantic Ocean to the Mediterranean Sea.

Correct: D. Strait of Sicily

The Strait of Sicily (also called the Sicilian Channel) separates the island of Sicily (Italy) from Tunisia in North Africa - at its narrowest approximately 148 km wide.

Correct: A. Chile

Chile's Pacific coastline marks approximately the western boundary of the South American landmass - stretching 6,435 km from its border with Peru in the north to Cape Horn in the south.

Correct: B. Red Sea

The Red Sea lies between the Arabian Peninsula (Saudi Arabia and Yemen) to the east and Egypt, Sudan, and Eritrea (Africa) to the west - connected to the Mediterranean by the Suez Canal at its northern end.

Correct: A. Canada

Hudson Bay is entirely within Canada - the provinces and territories of Nunavut, Manitoba, Ontario, and Quebec all have coastlines on this enormous inland sea.

Correct: B. South China Sea

The South China Sea lies between the Malay Peninsula (Malaysia and Vietnam) to the west and Borneo to the east - it is the world's most contested maritime territory with claims from China, Vietnam, Philippines, Malaysia, and Brunei.

Correct: A. Strait of Malacca

The Strait of Malacca runs between the western coast of the Malay Peninsula and the northeastern coast of Sumatra - one of the world's most critical shipping lanes handling approximately 25% of global trade.

Correct: D. Alaska

Alaska has coastline on both the Pacific Ocean (its southern coast) and the Arctic Ocean (its northern coast) as well as the Bering Sea - giving it the longest coastline of any US state at approximately 54,720 km including islands.

Correct: D. Mozambique Channel

The Mozambique Channel is the body of water between Madagascar to the east and the eastern African mainland countries (Mozambique, Tanzania, and others) to the west - approximately 422 km wide at its narrowest.

Correct: D. Andorra

Andorra is a tiny principality in the Pyrenees mountains surrounded entirely by France and Spain - it has no coastline and no natural access to the sea.

Correct: A. South Atlantic Ocean

The South Atlantic Ocean separates South America's eastern coast from the Falkland Islands (Malvinas) - the disputed British Overseas Territory claimed by Argentina.

Correct: B. Norway

Norway occupies the entire western coast of the Scandinavian Peninsula - from its border with Sweden in the east to its dramatic fjorded Atlantic coastline in the west. Sweden occupies the eastern side of the peninsula.

Correct: B. Strait of Gibraltar

The Strait of Gibraltar separates the Iberian Peninsula (Spain and Portugal) from the African continent (Morocco) - at its narrowest point near Gibraltar only 14.3 km wide.

Correct: A. China

China's eastern coast - including the provinces of Zhejiang, Fujian, and parts of Jiangsu - borders the East China Sea, which lies between mainland China and the Japanese archipelago.

Correct: B. Hudson Bay

Hudson Bay is the enormous inland sea on Canada's northern coast - connected to the Atlantic via Hudson Strait and to the Arctic Ocean via Foxe Basin and Fury and Hecla Strait.

Correct: B. Malaysia

Malaysia controls the northern coast of Borneo through the states of Sabah and Sarawak - plus the tiny independent Sultanate of Brunei is also on the northern coast. Indonesia controls the much larger Kalimantan territory in the south.

Correct: C. Strait of Messina

The Strait of Messina separates Sicily from Calabria (the toe of the Italian boot on the mainland) - at its narrowest only 3.1 km wide, making it one of the world's narrowest straits used for regular navigation.

Correct: B. Canada

Canada has both Arctic Ocean coastline (the Canadian Arctic Archipelago and the mainland's northern coast) and Atlantic Ocean coastline (the Maritime provinces and Newfoundland) - along with Pacific coastline in British Columbia, creating one of the world's most diverse coastal situations.

Correct: C. Ionian Sea

The Ionian Sea lies between the Italian peninsula (Calabria and Apulia) to the west and north and Greece (with its Ionian Islands) to the east - it connects the Adriatic Sea to the Mediterranean.