Vatican city is considered an important nvlace because it is

Vatica city is considered an important place because it is

Explanation:

The Centre of Christianity since the foundationof Saint Peter's Basilica by Constantine ( 4th century), and at a later stage the permanent seat of the Popes, the Vatican is at once the pre-eminently holy city for Catholics, an important archaeological site of the Roman world and one of the major cultural reference.

polar areas, such as antarctica or the south pole.

radiative zone

explanation    

radiative zone is the layer of the sun which energy is transferred away from the core by radiation. although, the core is the only part of the sun that produces an appreciable amount of heat through fusion. in fact, 99% of the energy produced by the sun takes place within 24% of the sun's radius.