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!!
A warning, then if the action continues split them ap
Answer:
It is important because it keeps the other animals in check.
Explanation:
They keep the animals in check so there isn't an overpopulation of a certain animal.
Let's take sea otters for an example, the sea otters keep the sea urchins in check so they don't eat all the kelp. When there was a massive decrease in sea otters due to orcas eating them, the kelp was disappearing and the sea urchins were growing in population.
Answer:
Caligula was a great-grandson of Augustus; Claudius was a nephew of Tiberius; and Nero was the great-nephew and adopted son of Claudius. ... natural desire to found a dynasty, but he had no son and was therefore obliged to select his successor.... The ablest of the line was Tiberius.
