I'm pretty sure it's railroads, because there's not that many highways in Siberia, the rivers would be frozen over, and there's not a ton of people in Siberia. I'm sorry if I'm wrong.
Answer:
Explanation:
The Dust Bowl of the 1930s was caused by erosion, overgrazing, fertilizer runoff & the clearing of grasslands.
The thin outermost layer of the solid Earth is called the crust. The correct option among all the options given in the question is the second option. The crust actually accounts for less than 1 percent of the volume of the Earth. The Earth can actually be divided into four parts and they are crust, mantle, outer core and inner core.
The economic system may be production,allocation,distribution,firms,and how the government responds to the economic problem.
