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 to your question is a waterclock, hope that helped :-)
Yes, traveling in groups of two or more affects the independence assumption.
The probability that the whole group shows up is 0.8 and that the group does not show up is 0.2.
Answer:
yes
Explanation:
skill on controlling a plane has nothing to do with gender. its about the skill and how much you practice/study
Answer:
to prevent any further damage to southern infrastructure
Explanation:
it is all based off of common sense but it seems to be the most probable