Some of them is the indus river and nile river and the Ohio river hope this helped and please gives points
Their progress and wealth is highly dependent on the harvests, and the price of grain. They probably have to import some industrial products and if they had a bad year (weather, other catastrophies, poor technology) they can't get the necessary amount of industrial products in exchange for their surplus e. g. in grain. There are so many standards and requirements about the quality of food production that no country can survive solely on agriculture without high quality technology (machines, unharmful fertilizers, research-based breeding, etc.).
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Question:
Explain how the government of Canada and the United States are different?
Answer:
One major difference is that the United States dosent have a official langauage, but Canda has 2.
B, government is the answer