10 most difficult continents riddlesGeography quiz
What is the name of the largest island of Antarctica?
Alexander Island was discovered on January 28, 1821 by a Russian expedition under Fabian Gottlieb von Bellingshausen, who named it Alexander I Land for the reigning Tsar Alexander I of Russia. What in fact is an island, was believed to be part of the Antarctic mainland until 1940.
Which animals of the Old World are the most closely related to those living in the New World?
those living in subarctic climate
those living in temperate climate
those living in subtropical climate
those living in tropical climate
Since North America and Asia had been connected by the Bering land bridge, a number of animal and plant species were able to colonize both continents. Today, similar species are distributed throughout the taiga biome on both continents.
What is the lowest point in Antarctica?
Vinson Subglacial Trench
Byrd Subglacial Trench
Marie Subglacial Trench
Bentley Subglacial Trench
The Bentley Subglacial Trench is a vast topographic trench in Marie Byrd Land, West Antarctica, 80°S, 115°W. At 2,555 meters (8,382 ft) below sea level, it (along with the deepest points within the adjacent Byrd Subglacial Basin) is among the lowest points on the surface of the Earth not covered by ocean, although it is covered by ice.
Which continents are moving away from each other?
Africa and South America
Africa and Europe
North America and South America
Australia and Asia
Bacause of the ongoing spreading of the Atlantic Ocean, Africa and South America (just like Europe and North America) are moving away from each other at the rate of about 3 centimeters (1,2 inch) per year.
What is the distance between Europe and Africa at the narrowest point of the Strait of Gibraltar?
around 32 km
around 20 km
around 14 km
around 8 km
The Strait of Gibraltar connects the Atlantic Ocean to the Mediterranean Sea and separates Europe from Africa by 7.7 nautical miles (14.3 km) at the strait's narrowest point. Ferries cross between the two continents every day in as little as 35 minutes.
What is the only continent (except Antarctic) without nuclear power plants?
Australia is practically the only developed country not using electricity (indigenous or imported) from nuclear energy. Australia's abundance of cheap coal, conveniently located to population centers, has ruled nuclear energy out of contention on economic grounds. There are nuclear power plants on all other continents, including South America (Brazil, Argentina) and Africa (South Africa).