Answer:
the topic would be medium of exchange and the main idea is basically the author's message about the topic, it can be expressed directly or implied. So in this case the main idea would be that medium of exchange have changed their ways of trading or bartering for the better making it way easy.
hope i helped, if i didn't i'm sorry and good luck! :)
I'm positive its is c because it's not a full sentence and doesn't really have a subject in it.
The third sentence uses punctuation correctly
This is valid if you’re testing just those around you but if it’s in general then world wide statistics would be best. Hope it helped (:
The words that best complete the sentences are:
- 1. Choose a topic.
- 2. Background information.
- 3. Evaluate.
This would all help Susan to make her research well and also to identify key elements to elaborate on her topic and this would be done with some background information.
<h3>What is a Research Paper?</h3>
This refers to the academic paper that is used to answer some questions about a particular topic.
Hence, we can see that the words that best complete the sentences are:
- 1. Choose a topic.
- 2. Background information.
- 3. Evaluate.
This would all help Susan to make her research well and also to identify key elements to elaborate on her topic and this would be done with some background information.
Read more about research paper here:
brainly.com/question/12694932
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