B. is the answer I'm almost certain of it. Gewd luck hunn =^.^=
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Answer: Barter system
Explanation:
Barter (derived from baretor) is a system of exchange where participants in a transaction directly exchange goods or services for other goods or services without using a medium of exchange, such as money.
Fact:
1. Cats are mammals
2. There are 60 minutes in an hour
3. Three is a larger number than 1
Opinion:
1. Cats are better than dogs
2. Blue is the best color
