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highlander1101 highlander1101
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6 years ago
The first record of using sign language to communicate dates back to
a. 400 BC.
b. 400.
c. 1840.
d. 1940.
Textbook 
Interpersonal Communication: Relating to Others, Canadian Edition

Interpersonal Communication: Relating to Others, Canadian Edition


Edition: 7th
Authors:
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