Why are some large sports organizations tax-exempt?

What factors did the founders of your state use to determine the states boundaries ? did you states founders choose boundaries based on physical features or lines longitude and latitude ?

Which is not an example of a  cultural  bond found in a nation-state? a. a holiday traditionb. a common religionc. a favorite placed. a shared history

Plzz on what physical process is responsible for the creation of volcanoes, earthquakes and ocean trenches at the plate margins?