Science, asked by jayasrinarayanan1974, 5 months ago

louis became a teacher at his own institute for blind children abd used the braille system to help hos student​

Answers

Answered by Anonymous
0

Answer:

Speed, being a scalar quantity, is the rate at which an object covers distance. The average speed is the distance (a scalar quantity) per time ratio.

Explanation:

Answered by kryptonarmy2
0

Answer:

braille system

Explanation:

Braille is a system of touch reading and writing for blind persons in which raised dots represent the letters of the alphabet. It also contains equivalents for punctuation marks and provides symbols to show letter groupings. Braille is read by moving the hand or hands from left to right along each line.

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