Time zones begin at the . A. Equator B. Prime Meridian C. International Date Line D. Tropic of Cancer

1.0 larger it be exact

What exactly do you mean 

The correct answer is kettles.

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.