Which of these inventions arose from an attempt to hearing-impaired people? the multiplex telegraph the telephone the phonograph the motion-picture machine

Depends on which disease, but as a general rule eat healthy. many vegetables.                                                        hope my answer has come to your . you for posting your question here in we hope to answer more of your questions and inquiries soon. have a nice day ahead! : )     (p.s mark as brainliest if )