What are the lapp people and where do they live

The Sami people, traditionally known in English as "Laps" or "Laplanders", are the indigenous Finno-Ugric people that inhabit the arctic parts of Sampi, which includes parts of Northern Norway, Sweden, Finland, and the Kola Peninsula of Russia.

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.