A half-moon shaped area of land where small villages began to form
?

Explanation:

As early people began farming the Fertile Crescent, small villages began to form. With the further development of farming, many of these small communities began to grow into large, complex cities. Located in present day Iraq, the Fertile Crescent is a “half moon” shaped area that lies between two rivers.

5.4%

explanation:

the acceptance rate for harvard is 5.4%. this means only 5 percent of people who apply actually get accepted!

because the center-south is called the heart of the country