Answer:
the answer is the first one A.
<span>B. During the early 1900s, the populations of US cities located on the West Coast were the highest, but by 2000, the populations of cities located in the Midwest became greater than those of the East Coast</span>
Canada % the U.S maybe? Sorry not sure
A theory proposed by Harold Hotelling states that owners of nonrenewable resources will only produce that resource if it wills the yield will have more value than other financial instruments available in the market, such as interest bearing securities and bonds. This assumes such owners are only motivated by profit and that markets are efficient. The theory is used by economists to predict the price of nonrenewable resources like oil, based on prevailing interest rates.
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