Answer:
Opportunity cost is the loss of the advantages of a certain choice when you choose the other choice. For example, if you need to choose between a red crayon and a blue crayon and you choose red, the opportunity cost is the inability to color things blue.
Answer:
It had the power to grant supplies and originate laws.
Explanation:
When we talk about the the personality and demeanor of pope saint john xxiii, he is short, fat, carefree and made the most of his associations with individuals. He also make great jokes and seriously studied the history. His nature with the issues of the past helped him to see the present reality of the Church and the world with clearness.
Answer:
River Valleys are productive farming areas because they provide fertile land by flooding.
Explanation:
Agriculture developed in river valleys as rivers flooded their banks, making lands around them fertile and provided fresh water for irrigation. Civilizations developed around rivers because their waters provided places to hunt and fish. Rivers brought along with fertile land along with minerals in it for crops to grow. Rivers allowed the early civilizations to engage in agriculture by growing crops like wheat, barley, and vegetables.