An oil formation dips with a 10 degree angle. its permeability is 100 md and its thickness is 40 ft

Answer meranesia;

Ctrust me i know its c

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.