If a city fails to meet its threshold, what does this mean?(1 point)
1 The population levels of the area have exceeded its food production for it to be viable.
2 The population it provides for lives too far away for it to remain relevant in the area.
3 It is not economically feasible for its market area to purchase goods and services from it.
4 The population grew to such a number that it needed to be considered a global city.