High-pressure areas or belts are caused by air which is: rising and heated sinking and heated rising and cooled sinking and cooled

Answer sinking and cooled;

Europe needs to build a trump-like wall that will spread across europe making it impossible for migrants to cross they need to spread pig guts all over this wall so the muslims will never consider crossing into europe..you might be asking "can't they just fly over with planes? " well yes they can so we will install thaad missile protections system to shoot down any aircraft that violates europe's air fourth would be to start a fourth reich in germany.. last but not least.. make europe great again!

That is the correct answer to the question, why is the southern portion of the ring of fire so complex?