Examlex
Which of the following sets of goods are most likely to be complementary goods?
Motor Functioning
Pertains to the physical tasks and activities an individual can perform, controlled by the movement and coordination of muscles and the nervous system.
Blood Groups
are categories of blood based on the presence or absence of certain antigens on the surface of red blood cells, important for blood transfusions.
A,B,O,AB
The four main blood groups in the ABO blood group system, each classified by the presence or absence of certain antigens on the surface of red blood cells.
Rh Factor
A protein found on the surface of red blood cells that can cause immune reactions during blood transfusions or pregnancy.
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