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4 votes
Where in the Americas is the richest concentration of mound buildings?

a. In Central America

b. In Northwest Canada

c. In the Ohio and Mississippi River Valleys

d. In the lowland plains of Mexico

2 Answers

4 votes

Answer:

the Ohio river valley

Step-by-step explanation:

User Jayna
by
8.4k points
0 votes
c. In the Ohio and Mississippi River Valleys
User Tony Borf
by
7.2k points
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