Economic sectors are determined based on what criteria? A. How important a job is to human survival. B. How closely a job is related to natural resources. C. How important a job is to a country's GDP. D. How closely a job is related to the center of a city.

Option C

Explanation:

In simple words, the more relevant the industry is to the GDP of the country the more protection and backup it receives from the government leading to mo stability and chance of growth. The importance of an industry is determined by factors such as the level of employment it provides , the significance in foreign trade or industries related to national security such as defense.

Thu, the correct option is C.

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