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.
The NAFTA (North American Free Trade Agreement) is the agreement that has lowered trade barriers between Mexico and the rest of North America. It was signed January 1, 1994.
I believe the answer is D.
I'm pretty sure
The use of CFCs <span>does not contribute to increased air quality. </span>
