Lines of longitude run North and South on the above map. You will see the 155° and 156° lines labeled at the bottom of the map. You first need to determine a map scale. a. Measure the distance in centimeters between the longitude labels of 155o W and 156o W. How many centimeters is this?

Ascenario that doesnt  include any modern objects like electricity

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.