What are five cities located south of 30 north latitude and west of 15 east longitude

Brazzaville and kinshasha, luanda,librevilleand and monrovia.

The answer is c, i, iii, and iv. this is because farming and mining deal with harvesting raw materials, construction work falls under manufacturing, and piloting a plane is a service. ii is wrong because making bread is using  raw materials to produce goods, which would fall under the secondary sector, not primary.