Biology
The first heart transplantation was performed by

Dr. Louis Pasteur
Dr. W. Harbe
Dr. C. Barnard
Sir F.G. Hafkin

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Biology
Which of the following is not true of colour blindness?

Colour blind people learn to rely on shapes, patterns, and positions of signs and signals
For some people, it might be difficult to recognize colours of traffic lights and signs
A colour blind person cannot see any colours
Red-green colour blindness is the most common type of colour blindness

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