Geography

There is also dangerous infrastructure in the Negev.

In the aftermath of an eruption, the ecosystem of the area surrounding Mount St. Helens changed drastically.

The desert has the world's largest natural reserves of sodium nitrate (Chilean saltpeter).

It is not possible for sea transport to enter the Murray River due to the lack of estuary.

Lake Victoria and its wetlands support a large population of Nile crocodiles, mud turtles, including the Williams' mud turtle, a species endemic to Africa.

The Galapagos Islands were discovered in 1535.

Beneath the surface of every tropical rainforest on Earth are rich deposits of natural resources.

Researchers claim that the volcano's eruption in the 17th century BC and its collapse 300-400 m below the surface of the sea level caused a gigantic tsunami wave up to 200 m high.

The name of the lake comes from the Mongolian language and means "Lake of Nature".

The course of the river was quite different before and during the period of the last glaciation.