Distance from houston to los angles

Houston to Los Angeles, vice versa, is a 22 hour and 6 minute drive, and 1,546 miles apart from each other.

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.