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!!
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I believe the answer is the 3rd option. My apologies if I’m incorrect. :)
Answer:
culture
Explanation:
Theology is defined as the branch of study of religion and God. The word 'theo' means God and 'logos' means word. The study of theology is equivalent to the study of other scientific discipline.
Our understanding of theology is quite different for everyone. There is much diversity in the theological environment. Because our cultures are changing so rapid that we can see much diversity in our contemporary theological environment.