Answer:
Erosion can cause water in the rivers to become heavily polluted. The water might carry pesticides, heavy metal ions and other toxic wastes. When this water will be used for irrigation purposes, the growth of plants will be heavily affected by them.
When humans use water this contaminated water from the rivers, it will led to many diseases in humans. Also, the wild- life animals which depend on this river might take in toxic compounds due to which they might die.
The economic system may be production,allocation,distribution,firms,and how the government responds to the economic problem.
The last statement is the correct answer. However, the second question is theoretically historically correct, for Иосиф Сталин (Joseph Stalin) practically controlled the entire government of the USSR with his oppressive ultra-authoritarian non-democratic Stalinist-"Communist" regime.
Temperature and precipitation
