Which of the following cities is a example of a grid city

Boston is an example of a grid city.

Hope this helps you! (:
-Hamilton1757

Answer the government provides "unemployment insurance"

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.