What was the name of the headdress for the 12th dynasty egypt

Nemes.

Explanation:

Nemes were pieces of striped headcloth worn by pharaohs in ancient Egypt. It covered the whole crown and back of the head and nape of the neck (sometimes also extending a little way down the back) and had lappets, two large flaps which hung down behind the ears and in front of both shoulders.

answer; i do believe that its(gestation,suction-aspiration or vacuum aspiration;

answer; the intervening variable;