When migration is repeated annually or seasonally.
Answer:
The answer is isthmus
Explanation:
The Isthmus of Tehuantepec is the narrowest section of Mexico, joining the country with neighboring Central America.
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The correct answer is the level of efficiency with which resources are used
Productivity is the result of what is productive, that is, what is produced, what is profitable. It is the relationship between the means, resources used and the final production. It is the result of the ability to produce, to generate a product, the result of work, associated with the technique and the capital employed.
Some foreign companies build factories in Mexico, because it is cheaper to pay the factory workers in the United States. This means that companies would rather build their factories in Mexico, where the minimum wage is lower than in the United States and where workers may have fewer rights and labor unions, so that they can continue to make more money and spend less on giving wages to their workers. This is an example of cheap labor.