Question
The Rh blood group was discovered by which of the
following individuals?Solution
The Rh blood group system was discovered by Karl Landsteiner and Alexander Wiener in 1940. Their research significantly advanced the field of transfusion medicine, enhancing blood transfusion safety and compatibility.
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Area of a triangles with vertices at (2, 3), (-1, 0) and (2, -4) is :
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