What is the small area in rome that serves as the world headquarters of the roman catholic church?

The small area in Rome that serves as the world headquarters of the Roman Catholic Church is the Vatican City.

Explanation:

Vatican City is the smallest independent state in the world. The territory of this country is completely enclosed by the city of Rome, making it an enclave within Italy.

Vatican City is represented under international law by the Holy See and houses the headquarters of the Roman Catholic Church. The Head of State of Vatican City is the Pope, who has his official residence in the Apostolic Palace.

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a mid-ocean ridge or mid-oceanic ridge is an underwater mountain range, formed by plate tectonics. this uplifting of the ocean floor occurs when convection currents rise in the mantle beneath the oceanic crust and create magma where two tectonic plates meet at a divergent boundary.a geomagnetic reversal is a change in a planet's magnetic field such that the positions of magnetic north and magnetic south are interchanged.