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All of these apply, so I don't know if there is an all of the above, but all of these are correct, I'm sure.
The answer is Asia.
Explanation:
40 degrees North and 100 degrees East is the coordinates of the continent Asia. The other person who answered is incorrect because China is not a continent.
Since Galaxia economy is 10 times larger than myopia‘s, it is fair to assume that the capital stock in Galaxia is larger than in myopia. Given the law of diminishing marginal returns - the notion is that as additional capital is used to produce a good, the increments to output decrease - the marginal return to capital in Galaxia is not greater than myopia.
Therefore the answer is d) Myopia