How Does "Brain Drain" Impact the Underdeveloped Countries

Multiple Choice

How does "brain drain" impact the underdeveloped countries?

A) Talented people (doctors, engineers, scientists) move to the developed world.
B) Inadequate nutrition during childhood prevents the young from being healthy.
C) Schools are often unfunded, which means talents are not fully developed.
D) Investments in infrastructure are often poorly made and do not complement one another (an area might have running water but no electricity) .
E) None of the above are impacts of "brain drain."