Correct: A. Canada

Canada possesses the longest coastline of any country in the world, measuring approximately 243,042 kilometers (about 151,019 miles). This vast coastline borders three different oceans: the Atlantic to the east, the Pacific to the west, and the Arctic to the north. If you include all the islands, Canada's coastline is so long that it would take an average person more than 30 years to walk the entire length without stopping for sleep.

Correct: B. Antarctica

Antarctica has the highest average elevation of any continent on Earth, sitting at approximately 2,500 meters (8,200 feet) above sea level. This high average is not caused by mountains alone, but rather by a massive ice sheet that is several kilometers thick and covers nearly the entire landmass, burying the actual rocky ground far below.

Correct: A. Suriname

Suriname is the smallest independent country in South America by land area, situated on the northeastern Atlantic coast of the continent. Formerly a Dutch colony, it is a highly diverse nation where Dutch remains the official language, and the majority of its territory is still covered in dense, pristine tropical rainforest.

Correct: A. Dead Sea

The shore of the Dead Sea, located between Jordan and Israel, is the lowest point on the Earth's dry land, sitting at approximately 430 meters (1,410 feet) below sea level. This unique depression is part of the Great Rift Valley, where the Earth's crust is being pulled apart, causing the land to sink.

Correct: D. Africa

Africa is the only continent in the world through which the Equator, the Tropic of Cancer, and the Tropic of Capricorn all pass, making it the most centrally located continent relative to the Earth's latitudes. This unique positioning means that the vast majority of the continent lies within the tropical zone, resulting in a wide variety of ecosystems ranging from the Sahara Desert to the lush Congo Rainforest.

Correct: B. Kazakhstan

Kazakhstan is the largest landlocked country in the world, meaning it does not have a direct border with any of the world's oceans, though it does border the inland Caspian Sea. Spanning over 2.7 million square kilometers, it is the ninth-largest country overall and features a diverse landscape of vast steppes, snow-capped mountains, and arid deserts.

Correct: A. France

France is the country with the highest number of time zones in the world, with 12 different time zones used across its various territories. This is because France has several overseas departments and territories scattered across the Atlantic, Pacific, and Indian Oceans, from the Caribbean to Antarctica.

Correct: A. Saudi Arabia

Saudi Arabia is the largest country in the world that does not have a single permanent natural river flowing through its territory. To provide water for its growing population and industry, the nation relies on vast underground aquifers and operates some of the world's largest desalination plants to process seawater.

Correct: A. Jericho

Jericho, located in the West Bank, is often cited as the lowest-lying city in the world, sitting at approximately 258 meters (846 feet) below sea level. In addition to its low elevation, it is one of the oldest continuously inhabited cities on Earth, with archaeological evidence of settlement dating back over 11,000 years.

Correct: C. Sao Paulo

São Paulo, located in Brazil, is the largest city in the Southern Hemisphere and one of the most populous metropolitan areas in the world. It is a global financial hub and a cultural melting pot, known for its massive skyscrapers, diverse culinary scene, and vibrant street art. The city serves as the heart of Brazil's economy and is famous for its heavy traffic and vast urban sprawl.

Correct: D. Seychelles

The Seychelles is a beautiful archipelago of 115 islands in the Indian Ocean and is officially the smallest country in Africa by both land area and population. It is world-renowned for its pristine white-sand beaches, crystal-clear turquoise waters, and unique granite rock formations. The nation is a leader in environmental conservation, with nearly half of its total land area protected in nature reserves.

Correct: B. Western Australia

Western Australia is the largest state in Australia, covering approximately one-third of the entire continent's landmass. It is a region of extremes, featuring the lush forests of the southwest, the vast and arid Outback, and the rugged, ancient landscapes of the Kimberley. The state's economy is heavily driven by its massive mining industry, particularly the extraction of iron ore and gold.

Correct: B. France

France is the country that holds the record for the most time zones in the world, with a total of 12 different zones. This is not due to the size of mainland France itself, but rather its many overseas territories and departments scattered across the Atlantic, Pacific, and Indian Oceans. These territories range from French Guiana in South America to the islands of French Polynesia in the Pacific.

Correct: D. Muskox

The Muskox and the Caribou are the primary prey of the Arctic Wolf, a subspecies of the gray wolf that lives in the high Arctic regions of North America and Greenland. Because their habitat is so harsh and food is scarce, these wolves have to travel massive distances to find herds and can go for weeks without a meal. They hunt in highly coordinated packs to take down animals much larger than themselves.

Correct: D. Arctic Tern

The Arctic Tern holds the record for the longest migration of any animal in the world, traveling from its breeding grounds in the Arctic to the Antarctic and back every year. This incredible journey can cover over 70,000 kilometers (43,000 miles) annually, ensuring that the bird sees two summers and more daylight than any other creature. Because of this lifestyle, a single Arctic Tern may travel the equivalent of three round trips to the Moon over its 30-year lifespan.

Correct: B. Ganges

The Gharial is a critically endangered species of crocodile found only in the river systems of the northern Indian subcontinent, primarily the Ganges and Chambal rivers. They are easily recognized by their extremely long, thin snouts, which are perfectly adapted for catching fish, their primary food source. Unlike other crocodiles, they are not suited for walking on land and spend almost all of their time in the water.

Correct: D. Giraffe

The Okapi is a strange-looking animal native to the dense rainforests of the Democratic Republic of the Congo. Although it has zebra-like stripes on its legs for camouflage, it is actually the only living relative of the Giraffe. Like giraffes, okapis have long, blue, prehensile tongues that they use to strip leaves from trees and even to clean their own ears.

Correct: B. Barbary Macaque

The Barbary Macaque is the only primate species native to Europe, specifically living on the Rock of Gibraltar. While they are also found in the mountains of Morocco and Algeria, the Gibraltar population is the only wild troop remaining on the European continent. Local legend says that as long as the macaques remain on the Rock, Gibraltar will remain under British rule.

Correct: C. Eutrema japonicum

Wasabi, often called Japanese horseradish, is a plant that grows naturally along stream beds in mountain river valleys in Japan. The traditional "wasabi" paste used in sushi is made by grating the thick, green rhizome of the plant, which releases a sharp, spicy flavor that stimulates the nose more than the tongue. True wasabi is very difficult to cultivate and expensive, leading many restaurants to use a substitute made of horseradish and green dye.

Correct: D. Kenya

China is the world's top exporter and producer of tea, a tradition that dates back thousands of years to ancient Chinese dynasties. The country produces a vast array of tea types, including green, black, oolong, and white teas, which are grown in diverse regions from the mountains of Yunnan to the coastal provinces. Tea is an integral part of Chinese culture and social life, often centered around elaborate tea ceremonies.

Correct: D. Cinchona

Quinine, a famous drug used to treat malaria, is derived from the bark of the Cinchona tree, which is native to the Andes Mountains in South America. The medicinal properties of the bark were first discovered by indigenous peoples and later brought to Europe by Jesuit missionaries in the 17th century. For nearly 300 years, quinine remained the only effective treatment for malaria, saving millions of lives and allowing for expanded global exploration.

Correct: A. Salar de Uyuni

The Salar de Uyuni in Bolivia is the world's largest salt flat, covering over 10,000 square kilometers of the high Altiplano plateau. It was formed by the evaporation of ancient prehistoric lakes, leaving behind a thick crust of salt that contains more than half of the world's known lithium reserves. When a thin layer of water covers the salt flat during the rainy season, it becomes a giant mirror that perfectly reflects the sky.

Correct: D. 3

The Roman Empire at its peak spanned three continents: Europe, Africa, and Asia. It encircled the entire Mediterranean Sea, which the Romans called 'Mare Nostrum' or 'Our Sea.' This vast territory was connected by an advanced network of roads and governed by a centralized legal and political system.

Correct: C. Middle America

Middle America is the geographic term for the region comprising Mexico Central America and the Caribbean islands forming a land bridge and island chain between North and South America. The narrowest point of the land bridge is the Isthmus of Panama which is only 80 kilometres wide at its narrowest point. This region has been crucial for species migration between the two American continents.