The oil around Dubai, and in the Persian Gulf was from: 1: the paths of ancient merchants
2: camels
3: the palm Jumeirah
4: dead organisms

Answer were lower;

This type of energy is called radiant energy.

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.