Which of the following geographic features was a primary factor that enabled the Sumerians to farm crops, such as the barley mentioned in the administrative account shown above?

(1 point)
Responses

The deserts of the Arabian peninsula
The deserts of the Arabian peninsula

The Nile Delta
The Nile Delta

The mountains of the Hindu Kush
The mountains of the Hindu Kush

The river valleys of the Tigris and Euphrates

The river valleys of the Tigris and Euphrates