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 answer is: Murmuring ;)<span />
With the promulgation of its constitution in 2015, Nepal replaced a unitary government with a federal system of government. This process has made Nepal a federal democratic republic governed with three levels of government: a federal level, seven provinces and 753 local government.
Answer:
Petrified Forest National Park
Explanation:
hoped it helped!
trygve lie who was the first secretary general of UN