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About 7000 years
Complex irrigation networks have watered the valley and supported farming for 7,000 years.
Because the soil is rich and not dried out. :)
Because the soil is rich and not dried out. :)
In Europe, for instance, say 500 years ago almost everyone farmed in one way or the other.
No one really knows as it was well over a million years ago. See the link below.
llamas live for about 20 years when they are farmed, but 30 years when they are in the wild.
The Aztec civilization
The native people of Australia have been there for over 40,000 years. They are commonly referred to as Aborigines, even though there are many different tribes with different customs.40,000 years ago they were subsistence hunters and gatherers, they never really farmed.
In a recent showing of "Bones" the cast was exposed to valley fever. They were preparing to look at a skeleton 40-50 years old from a place in the desert. They had to be quarantined.
People belive that people started to settle along the Nile around 5,000-6,000 BC. But there is no way to make sure but that is when experts belive they settled.
Abraham Lincoln was never a Farmer; his father, Thomas Lincoln was a Farmer.