Polymides are synthetic polymers commonly known as By crictensDecember 14, 2021Every Day Science A: Synthetic B: Nylon C: Cellulose D: Protein Post navigation The usual raw material for ceramics, generally found beneath the top soil isTelephone was invented in 1876 in america by Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.