4 a)
- True
- False
- True
- True
- False
- False
- True
- True
b)
- Cahokia is near the Mississippi River in the USA.
- The Mississippians built big mounds of earth in the shape of pyramids.
- To tell the time, they used wooden poles and the sun.
- They played 'chunkey'.
- The Mississippians ate crops like corn and tomatoes and hunted animals for food.
- No one knows why the people left Cahokia.
- A possible reason is that there was no food.
Ответ: См. решение выше
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