Out of All of the Water on Earth,how Much Is

question 56

Multiple Choice

Out of all of the water on Earth,how much is usable by humans?

• A)50%
• B)10%
• C)5%
• D)1%
• E)less than 1%

Recognize the significance of the production possibilities frontier (PPF) in illustrating economic efficiency and trade-offs.

Differentiate between exports and imports and their roles in international trade.

Identify the historical foundations of modern economic thought related to trade and specialization.

Understand the conditions under which trade can be beneficial or detrimental to individuals or countries.