The last one and I'm pretty sure the second one
Answer: B. Korea should produce electric vehicles and Japan should produce gasoline vehicles
Explanation: Even though Japan has the absolute advantage in producing both electric and gasoline powered vehicles, Korea can produce electric vehicles at a lower opportunity cost than Japan. Therefore, the countries should specialize and trade, and Korea should produce electric vehicles and Japan should produce gasoline vehicles
The Nile's overflow made for easy farming land. In addition, the Nile could provide easy irrigation and transport of materials.
Because there was either less supplies or more supplies where there was trade.
