An advantage of the Harris and Ullman multiple nuclei model over the Burgess concentric zone model and the Hoyt sector model of internal city structure is that the multiple nuclei model?

Plz asap can someone find the answer or the mark scheme or anything plzzz you : ) ‘it's perfectly understandable that hundreds of millions of people around the world live close to volcanoes’ use evidence to support this statement. (6 marks)