Answer:
it's the great wall of china
Opportunity cost refers to what you have to give up to buy what you want in terms of other goods or services. When economists use the word “cost,” we usually mean opportunity cost.
Answer:
The correct answer might be A.
Answer:
The FFA headquarters is established in Alexandria, Virginia, on land which was part of George Washington's estate. The FFA had owned the land since 1939 and used it as a national camp. The New Farmers of America, the organization for African-American agricultural students, merges with the FFA, adding 50,000 members.
<em>hope this helped! :)</em>
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