What is brain drain? a) the common name given to an illness caused by exposure to toxic residues from petroleum refining that results in short-term memory loss b) this occurs when highly centralized governments actively recruit the best and the brightest individuals for jobs in the national capital, leaving few behind in the villages. c) this occurs when bright young people migrate to foreign lands in search of better jobs d) when students do not study or engage solely in copy and paste

C) This occurs when bright young people migrate to foreign lands in search of better jobs

Explanation:

When highly skilled individuals moves to another country in order for work it is called human capital flight. The country to which the individuals move to might gain some benefits and it is the brain gain of the receiving country.

The country from which the people are moving from are losing the highly skilled individuals and the cost that the country incurs is called brain drain.

answer; /// i believe that the correct answer is (a) making presentations;