The Nubians of Kerma grew wealthy from farming and mining gold. (true or false)

That statement is true.

Explanation:

The Nubians of Karma develop their civilization in Sudan. This region possess a lot of highly nutritious soil and  was located close to the Nile river. This make it easy for the people to seek water sources that is important for agricultural field.

On top of that, they also possess high quality of Gold mines. The Nubians managed to established a strong trades relationships with Egyptian traders sell their gold. This  brought in a lot of wealth for the Nubians.

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