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!!
Answer:
sorry I don't know this answer.
If you are talking about Nazi German its because Hitler didn't like them and they went to concentration camps (wouldn't mind brainliest)
Answer:
Circulatory
Explanation:
The heart helps pump the blood that travels to the rest of the body. The blood carries oxygen that is needed to travel around the body.
Answer: physical therapist.
Explanation: these are professionals that helps those sick, injured or disabled to be able to manage their condition to help achieve greater benefits in their health and life as a whole. This they do in form of coaching, exercise e. T. C. They help improve the quality of life of the individual and help prevent future problem that could result from the ailment being left unattended to.
