The Panama Canal

The structure and density of farms and villages depend on the geographical features of...

The population pyramid is a representation of the age and gender composition of a given country.

The Global Positioning System consists of 24 satellites but only 4 have to be visible for...

Oases are areas in deserts where water is available.

Igloos were the typical dwellings built by Eskimos living in the Arctic zone.

The world’s population is very unevenly distributed across the globe. Some areas are...

Much more food is produced on Earth than is required to feed the population. While most people...

Neil Armstrong, one of the crew members of Apollo 11 was the first man to set foot on the...