If you're asking this question in terms of Literature, the film that is most famous for its use of synchronized sound is the jazz singer the jazz singer triggered the talking-picture revolution A year after the release of few different films, Hollywood recognized the importance of the jazz singer with regard to the motion picture history by honoring the film with an special award. :) Hope I helped!
Answer:
I think it should be C and D both.
Crystals, good insulators, hard and brittle,conduct electricity, high melting and boiling points
The answer i believe is d.
hope this helps!!!
