When did the modern idea of graphic design begin in earnest?

What refers to the distance between two sound frequencies or pitches?

This is a picture i'm drawing for my art class! i need to know if it good (first of all) and that it represents dia de los muertos (

Acurious child asked his mother: “mommy, why are some of your hairs turning grey? ” the mother tried to use this occasion to teach her child: “it is because of you, dear. every bad action of yours will turn one of my hairs grey! ” the child replied innocently: “now i know why grandmother has only grey hairs on her head.”