World Geographical Records

Lake Baikal in Siberia, Russia, is the world's deepest lake at 1,642 meters. It's also the world's oldest lake and contains about 20% of Earth's unfrozen fresh water.

The Pan-American Highway, spanning approximately 30,000 km, connects countries across the Americas from Alaska to Argentina. It's the world's longest international motorable road network.

The world's fastest roller coaster is currently Formula Rossa at Ferrari World (Abu Dhabi, not listed). However, Kingda Ka at Six Flags Great Adventure held the speed record from 2005-2010 at 128 mph. This question appears to reference that period. Cedar Point's Top Thrill Dragster (120 mph) and Fuji-Q Highland's Dodonpa (106 mph) are also fast coasters but were not the record holders.

Greenland is the world's largest island, covering approximately 2,166,000 square kilometers. It's an autonomous territory within the Kingdom of Denmark. Australia is technically a continental landmass, not an island. Indonesia is an archipelago of many islands, while Ireland and Scotland are much smaller.

Greenland is the world's largest island at approximately 2.16 million square kilometers. Australia is classified as a continent, not an island. Indonesia is an archipelago (nation of islands), not a single island. New Guinea is the second-largest island.

Greenland is the world's largest island at approximately 2,166,000 square kilometers. Indonesia is often mistakenly thought of as an island but is actually a country comprising thousands of islands. Ireland and Scotland are much smaller islands.

The Grand Canyon was carved by the Colorado River over millions of years. The Nile flows through Africa, the Rhine through Europe, and the Thames through England - none are associated with the Grand Canyon.

The Mississippi River drainage basin is the largest in the continental US, covering over 1.2 million square miles across 31 states and including major tributaries like the Missouri and Ohio Rivers. The Columbia and Arkansas are smaller systems.

The Nile River in Africa is traditionally recognized as the world's longest river at approximately 6,650 km. While some recent measurements suggest the Amazon might be longer, the Nile remains the standard answer in most educational contexts and geographical references.

The Pacific Ocean is by far the world's largest ocean, covering approximately 63 million square miles - larger than all of Earth's land areas combined. It spans from the Arctic in the north to the Southern Ocean in the south and separates Asia/Australia from the Americas.

Lake Baikal in southern Siberia, Russia, is the world's deepest lake at 1,642 meters (5,387 ft). It's also the world's oldest lake (25-30 million years) and largest by volume, holding about 20% of all unfrozen fresh water on Earth's surface.

The Sahara Desert in North Africa is the world's largest hot desert, covering approximately 9.2 million square kilometers. While Antarctica is technically larger as a cold desert, the Sahara is universally recognized as the largest desert in common usage and educational contexts.

The Nile River, stretching approximately 6,650 km (4,130 miles), is generally considered the longest river in the world. It flows north through northeastern Africa to drain into the Mediterranean Sea.

By discharge volume (amount of water flowing), the Amazon River is the largest, releasing about 209,000 cubic meters per second. By length, the Nile is typically considered longest. The question asks 'largest' and the correct answer refers to discharge volume.

Sea otters are found along the coasts of the northern Pacific Ocean, from northern Japan to California. They are NOT native to South America, Atlantic Ocean, or Arabian Sea. The North Pacific is their natural habitat.