And is laid down in layers through processes of

Answer primary waves;

Just do the math, then think

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.

Poverty can be changed through new jobs , raising the minimum wage , and support pay equality.