True is the answer. Hope that helps
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:
Answer:
D I'm pretty sure.
Explanation:
I did some research and I read that Las Casas advocated that all slavery be abolished.
Answer:
Curve of forgetting
Explanation:
Curve of forgetting or the forgetting curve was developed by a German psychologist named Hermann Ebbinghaus.
The forgetting curve demonstrates the declination of memory maintenance or retention in time. It states that there is a loss in memory or information over a period of time if memory rehearsal or retention is not being done.
The brain lacks the ability to a piece of memory over time if the memory is not being recalled or retained.
In the case of Lisa, in the given question loss of memory occurs because the memory has not been consciously reviewed again.
