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Satellites orbiting the Earth can be used for civilian or military purposes.
Igloos were the typical dwellings built by Eskimos living in the Arctic zone.
The population pyramid is a representation of the age and gender composition of a given country.
A long pipe in the centre of the tower penetrates the ocean bed until it reaches the layer that...
The design and structure of modern houses play an important role in environmental protection.
Ports must provide necessary infrastructure and services for industry and marine transport.
The Panama Canal is an artificial waterway created to shorten shipping routes between the...
The Kepler space telescope was launched by NASA to discover Earth-like planets orbiting other stars