Were latitude the only control of temperature, the isotherms would run straight across the maps from east to west. Describe one region of the world where this hypithetical isotherm pattern is actually observed.

Answer they are produced by collision of tectonic plates;

The answer to the first one is barometer.

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.