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They use GPS (Global Positioning System) where the ship etc searches for as many radio signals from geosynchronous orbit satellites as it can get. It then triangulates its position by determining the direction and angle that it receives the signals. Same process that modern airliners use.
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What does it means if you hear a sound by the gas tank when you turn the ignition to the On position?
In modern cars there is usually an electric fuel pump, either actually in the tank or just nearby. That's probably what you're hearing.
What era brought the introduction of pottery?
Pottery is still used in the undeveloped countries. ADDED: It is still used in the developed countries too! The discovery that clay can be shaped and fused into useful objects goes back at least around 3000 years; and the styles of a lot of surviving Bronze Age vessels are just as elegant as many equivalents by modern potters.
What is the modern Guinevere?
in modern language, Guinevere means Jennifer.
How is this passage organized Modern Art?
It follows the rules that make it modern art. The features make it stand out as an extraordinary modern piece.
Introduction about modern means of communication?
introduction to modern modes of communication
