Earth can be divided into four major spheres: biosphere, hydrosphere, atmosphere, and
a lithosphere

b hemisphere

c geosphere

The correct answer is a)  a resource with a limited supply; it will run out.

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.