Answer:
Zagros Mountains
Explanation:
The Zagros Mountains are one of the most dominant geographic features in the Middle East. This mountain range has length of roughly 1,600 km. There are three countries through which the Zagros Mountains are stretching, those being Turkey, Iraq, and Iran. The majority of the Mountain range runs through Iran, making up big portion of the border with Iraq, as well as being a natural barrier at the southern coast of the country.
These mountains have elevation of over 4,400 meters above see level. They are responsible for the dry climate in Iran, as they are a big natural barrier for the air masses, so they create a rain shadow, making the interior of Iran very dry.
Answer:
Part of this border follows a natural boundary.
Explanation:
The answer is this one because Its a natural line between texas and Mexico and there are no mountains
