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

Answer: Option 3

A colour blind person cannot see any colors is not true of colour blindness.

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