Final answer:
Brain drain is the tendency for the most highly talented people from developing countries to become educated and then move to an already wealthy country. It can have negative effects on the economies and development of the countries from which talent is being drained.
Step-by-step explanation:
Brain drain refers to the tendency for highly talented individuals from developing countries to acquire education and then migrate to already wealthy countries. This phenomenon can have negative effects on the economies and development of the countries from which talent is being drained. It can lead to a shortage of skilled professionals and hinder the progress of these nations. For example, doctors, engineers, and scientists leaving their home country to work abroad can result in a lack of essential expertise and skills in their home country.
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