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When the Demand for Smartphones Increased in Preteresia, a Country

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When the demand for smartphones increased in Preteresia, a country in Eastern Europe, the smartphone manufacturers started importing silicon, a raw material used in the manufacture of smartphones, from Abresia, a country in Africa. In return, Preteresia helped build Abresia's infrastructure to facilitate the efficient extraction of silicon. This scenario best illustrates _____.


Definitions:

Colonoscopy

A medical procedure that uses a long, flexible tube with a camera on the end to examine the interior of the colon and rectum.

Cholecystography

A radiographic examination of the gallbladder after the administration of a radiopaque contrast medium.

Gastroduodenoesophagoscopy

A diagnostic procedure that allows a doctor to examine the lining of the esophagus, stomach, and beginning of the duodenum using a flexible scope.

Cholangiography

A medical imaging technique used to visualize the bile ducts to diagnose obstructions or diseases.

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