1. "To what extent is the UK a diverse and unequal society?"
BE

Yes what can i with

A: buys very few of because that's the way they can get through customs.

Each meridian forms half of a great circle, assuming a spherical earth. meridians intersect lines of latitude (parallels) at right angles. the spherical earth is divided into  360 degrees   east-west. lines of longitude range from 0° to  180° to the east and from 0° to -180 ° to the west of the prime meridian.