If wheelchairs weren't here then people who need them wouldn't be able to go out and enjoy the world as people do today. People who use hearing aids wouldn't be able to hear anything. They would be deaf, they wouldn't be able to hear voices, music, or anything that people with hearing aids or people who hear normal get to hear. Hope that helps you. If you need more help just let me know!
If wheelchairs were not available then people are not able to move by their own and without hearing aids, people are not able to listen others voice.
Technology in science plays an important role as in the modern era every work or thing is possible by using the technology.
Wheelchairs and hearing aids are the example of technology which helps the people with leg and ear issue respectively. If wheelchairs are not available then people are not able to go anywhere or do work by their own. And without hearing aid, people are not able to communicate as they already have some listening issue.
Hence, without wheelchair and hearing aids people were not able to move and listen by themselves.
To know more about technology in science, visit the below link:
https://brainly.com/question/5043267
