Answer:
Its A
Explanation:
THE OTHER PERSON IS WRONG! DONT LISTEN TO THEM ITS A >:(
Answer:
....i need to see the stuff before i help
Explanation:
The primary positive effect of the Columbian exchange was the introduction of New World crops, such as potatoes and corn, to the Old World. The most significant negative effects were the transmission of African populations into slavery and the exchange of diseases between the Old and New World.
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i hope this helped❤️
