PLEASE HELP The map shows the Fertile Crescent.

A map of the Fertile Crescent. The Fertile Crescent begins at the northern end of the Persian Gulf, continues north and west through Mesopotamia and narrows down the western coast of the Syrian Desert ending in Egypt. The Arabian Desert is below the Syrian Desert. A river extends from north of Mesopotamia, splits into The Euphrates River and Tigris River, toward the Persian Gulf. The Nile River is east of the Red Sea. The Jordan River is north of the Red Sea.

What physical feature is located to the east of the Fertile Crescent?

the Red Sea
the Nile River
the Arabian desert
the Zagros Mountains