<h3>Workers began migrating from the cities to the countryside, where the chances to feed themselves were higher, thus further decreasing the possibility of barter of industrial goods for food and worsening the plight of the remaining urban population, economy and industrial production</h3>
Answer:
Nitrate levels in the water are higher than permitted.
Explanation:
Groundwater supplies drinking water in eastern Washington's Columbia Basin. Approximately 20% of all monitored wells in Adams, Franklin, and Grant Counties had nitrate concentrations above the US Environmental Protection Agency's nitrate contamination threshold. After getting approval from the Washington State Department of Ecology, the Columbia Basin Ground Water Management Area was set up in February 1998. At first, the main goal was to lower the amount of nitrate in the ground water.
The answers are b.water scarcity and then d. dust storms . this is because it is very dry and lacks water x