Answer:
c. used a Teletype or TDD machine for telephone calls
Explanation:
A video relay service (VRS) is a video telecommunication service which enables any individual with hearing disabilities or speech impairment to communicate over video telephones using American Sign Language (ASL).
Before video relay services were developed, people who use sign language used a Teletype (TTY) or Telecommunications Device for the Deaf (TDD) machine for telephone calls. The TTY or TTD enables individuals with disabilities or speech impairment to communicate with others with or without disabilities through the use of a keyboard.
Robert Weitbrecht invented the first Teletypewriter (TTY) in 1964.
The TTY or TTD is strictly text based while its modified version, VRS is video based.
Walking is the misplaced modifier. The correct sentence should be, "I found a twenty dollar bill while I was walking down the street."
The explanation of why Adult Educators see CD as involving organizing people & groups is that community development plays a vital role in organizing people & groups for social or political action to improve various aspects of life as they would gain valuable skills.
<h3>What is Adult Education?</h3>
This refers to the educational process that is reserved for adults to get educated and knowledgeable about a particular area of specification.
Hence, we can see that based on the three dimensions which Community Development can be conceived, this helps Adult Educators to see it as a way to improve areas of life and also educate the older people in society.
Read more about Adult Education here:
brainly.com/question/14215436
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