Answer: A barter system is an old method of exchange. Th is system has been used for centuries and long before money was invented. People exchanged services and goods for other services and goods in return. ... The value of bartering items can be negotiated with the other party. And community is a group of people living in the same place or having a particular characteristic in common.
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Explanation:
A primary source is told or written down by a person that experienced or saw the event. While, a secondary source is told or written by someone else
<span>Amenorrhea. It is a phenomenon seen in women. It is the condition where the menstration becomes absent. It is mainly due to the low level of fat. since the athletes undergoes severe body activities there will be reduced level of fat.</span>
That statement is false.
On average, people obtain a sense of humbleness as we got more mature.
This is also true among artists. Younger/new artists tend to feel that they're artworks are a break through and should be used as a new standard even if their skill is still unpolished.
Organized labor, or trade union, is an organisation of workers which has as its aim to fight for and improve the workers' rights. <span>Out of the 4 options only D. National Education Association is an organisation of workers- this is the correct answer. </span>
The other organisations don't work for workers' rights, but instead for environment protection (C), the right to keep arms (A) and B is a media network.
