Why are superimposed boundaries controversial?

Answer (a) the itcz comes overhead for part of the year; i believe this is correct,plz check first; ///

Answerseafloor spreading;

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!