Identify the terms or phrases that are paired together correctly a. desert and dwarf trees b. temperate and deciduous forest and evergreen trees or c. subaritic taiga and moss or d. tundra amd permafrost.

Hm, i'd got with d. tundra and permafrost 

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.