Japan is not included in Oceania
Answer:
The six essential elements are as follows:
The World in Spatial Terms: How are things spaced out, why are they spaced out that way
Places & Regions: Specific areas and what defines them.
Physical Systems: Physical Geography(mountains, rivers, etc)
Human Systems: Populations and how they interact (cultures, religions, economic activities, migration and their movements)
Environment and Society: I don't think this one needs an explanation
The Uses of Geography: Just as the name of this implies it's how geography is used.
The correct option here is the third one.
A market economy is the one where the companies are free to operate as the like with only minimal interference of the government. The market here is decided by the powers of the supply and the demand while the government influence is strictly there in a regulatory sense, to protect the rights of the costumers.