The Tigris and Euphrates make habitable and productive one of the harshest environments in the world. The region has a continental subtropical climate, with average temperatures greater than 90 °F (32 °C) in summer and less than 50 °F (10 °C) in winter, as well as great diurnal variations. Precipitation is light in the lower reaches of the Tigris and Euphrates but increases considerably at higher elevations in their source areas. In the higher elevations, where the rivers have their upper courses, winter winds are light and variable. Much of the precipitation falls as snow, which can lie in ... (100 of 5,174 words)
Subtropical, hot and arid
Mesopotamia has two rivers, the Tigris and the Euphrates.
The Tigris and Euphrates rivers
The Tigris, the Euphrates, the Diyala and the Khasa are the main ones.
Those two rivers are the Euphrates and Tigris.
Mesopotamia has the Euphrates and Tigris Rivers.
The Tigris and the Euphrates were the main rivers of the fertile crescent
The Tigris and Euphrates Rivers flow into the Persian Gulf.
Tigris and Euphrates Rivers are one of them
The Tigris and Euphrates rivers meet in Iraq.
Nile River, The Tigris River, and the Euphrates River. The four largest rivers are the Tigris, Euphrates, Nile, and Jordan.
The Tigris and Euphrates rivers because they surround Ancient Mesopotamia.
The Tigris and the Euphrates rivers begin in Turkey.