Answer:
The Tigris and Euphrates rivers made it possible to grow wheat on the arid Mesopotamian plains, but the dry climate eventually defeated human engineering. Irrigation brought water to fields faster than it could drain out. As salt-rich groundwater rose and surface water evaporated, mineral salts built up in the soils. Farmers switched to more salt-tolerant grains like barley, but the harder they farmed, the less they harvested. After about 2,000 years, the once-fertile land of southern Mesopotamia was barren.
Explanation:
The correct answer in the space provided is interaction. It
is because it can be seen above where [parties are constantly sending and
receiving messages in which interaction is being defined as a way of two or
more things that are being associated or paired upon in means of producing an
effect to each other.
The irregular coastline has many natural harbors.
Answer:
ended through a series of negotiations between 1990 and 1993 and through unilateral steps by the de Klerk government
Explanation:
