I believe what you're looking for is economics, but I could be wrong.
Answer:
4) abstract; concrete
Explanation:
Alene is able to easily understant abstract concepts and ideas, which is why she comments the reasoning about the conclusion of the apple A being bigger than apple C. Aline shows an abstract thought, while Janis shows a concrete thought as evidenced in her only being able to "get it" after Alene explained again, using the physical apples. She needed to see a physical object in order to understand the idea.
Answer:
medium of exchange
Explanation:
utilizing the money to exchange for the product
Answer:
The most conspicuous effect of communism on China is censorship. Though often depicted as a blatant handicap to media and social interaction, censorship in China is often very subtle and, although it tends to forbid criticism of the government, is itself governed by no exact rules.
Explanation: