Answer:Today the Fertile Crescent is not so fertile: Beginning in the 1950s, a series of large-scale irrigation projects diverted water away from the famed Mesopotamian marshes of the Tigris-Euphrates river system, causing them to dry up.
Explanation:
Answer:
Plate(s)?
Explanation:
The Pacific Northwest sits atop the Cascadia subduction zone, which is a region where two tectonic plates collide.