Ineed answers ! : ) make sure you are right ! : ) which characteristics apply to egyptian mummy portraits of the greco-roman era? choose all answers that are correct. a. they were made on metal plates using the encaustic technique. b. they included shrouds that showed the dead surrounded by egyptian gods. c. they were done in a greek-style of painting, showing people in roman fashion. d. they were done in realistic greek-style rather than using egyptian formulas.