Barter system- A method of exchange when no money is involved.
B and C can't be the answers because they are not exchanging anything.
D can't be the answer either because there is money involved.
So your answer is A) You trade an apple for a banana at school. because you are exchanging something with someone for something else thats not money.
Hope this Helps!!
The curve of her business is affected and the price of paint determined this change
Answer:
D
Explanation:
Davis rejected the insistence of Northern politicians that the compact made through the Constitution protected slavery.
Answer: SORRY BUD I CANT READ IT
Explanation: