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Oases are areas in deserts where water is available.
Farming consists of special agricultural activities.
Deforestation has a negative impact on the environment.
This animation demonstrates the development of freight transport, from horse-drawn...
Machinery that pumps crude oil to the surface
Geothermal power stations convert energy of hot, high-pressure water found in deeper...
Ports must provide necessary infrastructure and services for industry and marine...
The main sources of water pollution are industry, agriculture and urban areas.