Answer:
Down Below
Step-by-step explanation:
The Tigris runs for 1,850 kilometers, or 1,150 miles, whereas the Euphrates river runs for 2,800 kilometers, or 1,740 miles. The Tigris-Euphrates river basin covers an area of some 35,600 square kilometers, or 13,700 square miles, and comprises the riparian countries of Turkey, Syria, Iraq and Iran.
I hope this is helpful. I don't know how to simplify it any further.