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Question
In the Americas, sunflowers were cultivated by about 4000 BCE, and maize and beans were domesticated in Central America by [...]
Answer
3500 BCE.

Question
In the Americas, sunflowers were cultivated by about 4000 BCE, and maize and beans were domesticated in Central America by [...]
Answer
?

Question
In the Americas, sunflowers were cultivated by about 4000 BCE, and maize and beans were domesticated in Central America by [...]
Answer
3500 BCE.
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In the Americas, sunflowers were cultivated by about 4000 BCE, and maize and beans were domesticated in Central America by 3500 BCE.

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Human history - Wikipedia
e were domesticated by 6000 BCE. The Yellow River valley in China cultivated millet and other cereal crops by about 7000 BCE; the Yangtze valley domesticated rice earlier, by at least 8000 BCE. <span>In the Americas, sunflowers were cultivated by about 4000 BCE, and maize and beans were domesticated in Central America by 3500 BCE. Potatoes were first cultivated in the Andes Mountains of South America, where the llama was also domesticated.[36] Metalworking was first used in the creation of copper tools and orname

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