Geography

The most common type of mountain in the world are fold mountains.

There are 50 islands in the Caspian Sea.

The exact date of the eruption of 79 is unfortunately not known.

The lake is very important for the fishing industry. It provides food for hundreds of thousands of families.

Lying along its banks there are the Democratic Republic of the Congo and the Republic of the Congo, both named after the river.

The methane gas floats on the water's surface as many tiny bubbles. The density of the resulting gas-water mixture is much less than that of seawater. If a ship finds itself in such an area, due to the lower density, it quickly sinks below the actual sea surface, and the crew is unable even to make an emergency call. The ship sinks.

The stratovolcano extends from north to south and has the shape of an ellipse with a size of 47 x 38 km (29.2 x 23.6 mi).

The famous and characteristic animals of Asia are monkeys, tigers and elephants.

At the beginning of the 20th century, many world powers were interested in the Galapagos Islands.

The Gobi desert is expanding all the time.