Which letter indicates the region known as the Fertile Crescent?

The correct answer is B
Explanation:
The Fertile Crescent is a zone located in the Middle East in which the first human civilization (Sumer civilization) emerged around 4500 BC, because of this, the Fertile Crescent is considered as the "cradle of civilization". In terms of location, this zone covers part of modern countries such as Iraq, Syria, and Israel and can be mainly recognized because it has a crescent- shape, it is is a bridge between Africa and the Middle East, it extends from the Mediterranean Sea to the Persian Gulf and more importantly it includes the Tigris and Euphrates rivers that had an important role in the emergence of the first civilization. According to this, the letter in the map that indicates the Fertile Crescent is B or the Green zone because this includes the rivers previously mention and fits with all the features of the Fertile Crescent.