Social Sciences, asked by rsunita, 1 month ago

Name the most effective
tactual
resource used for
visually challenged persons.
who developed this system?
(b) List its two important features.

Answers

Answered by harshitasingh10feb20

6

Answer:

The most popular resource for visually challenged persons is Braille. Louis Braille developed this system and published it in 1821.

Sorry but I don't know part-b answer

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