What are popular navigation systems ?

Use of GPS Satellite is the most popular navigation system in our planet, through the use of this technology, we have invented a lot of modern devices, which helps us in navigation

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El nino is a weather phenomenon caused when warm water from the western pacific ocean flows eastward. part1baan average of 7.7 hurricanes and 3.6 major hurricanes compares to 5 hurricanes and 1.5 major hurricanes from 1995-2005

Answerscripps institution of oceanography; i believe this is correct plz check first good luck;