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.
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Answer:
stamen ( a male flower part)
Explanation:
The stamen is the male reproductive organ. It consists of a pollen sac (anther) and a long supporting filament.
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Here is a joke to brighten your day!
A woman gets onto a bus with her baby.
The bus driver says, “That’s the ugliest baby that I’ve ever seen. Ugh!”
The woman goes to the rear of the bus and sits down, fuming. She says to a man next to her, “The driver just insulted me!”
The man says, “There’s no call for that. You go right up there and tell him off. Go ahead, I’ll hold your monkey for you.”
Answer:
Natural resources are important to study, because they're drivers of modern economics. The natural resources of Australia include most famously coal, iron ore, and gold. Metals like iron ore and gold total 28% of Australian exports, but coal isn't far behind at 18%.
Explanation:
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--ALASKA
Another name for the sum of all goods and services produced by business firms and sold to final consumers is GDP
<span>I believe the answer is: In a controlled and unstable environment at slower speeds
Controlled environment refers to exercies places with full safety regulations intact in order to avoid fatal accidents. The 'slower speed'in this context does not necessarily mean always do low level workout, but we need to maintain our workout level only to reach 70& - 80% intensity most of the time in order to prevent injuries that might mess up your workout schedule.
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