The Earth is divided into geographical and climatic zones, which result in the zonation of vegetation.
Oases are areas in deserts where water is available.
The difference between the temperature of the polar and equatorial zones causes atmospheric circulation which is affected by a number of factors, including...
Seawater, as an external force, plays an important role in shaping coastlines.
Rivers play an important role in shaping the Earth's surface: they cause erosion as well as carrying and depositing sediment.
Wind, as an external force, plays an important role in shaping coastal areas and steppes.
A glacier is a large body of ice that forms from snow, and is in constant, slow motion.
Standing bodies of water can form in depressions on the surface by both endogenic and exogenic forces, as well as by human activity.
Wind power stations convert the kinetic energy of the wind into electricity.
Machines converting the energy of wind into useful forms of power were already in use in the Middle Ages.
The dromedary is an indispensable animal for inhabitants of the deserts.
The fat-tailed scorpion is one of the world's most dangerous scorpions.
The seminomadic lifestyle of the Bedouin adapted to the climatic and environmental conditions of the desert.