Which of the following describes the work of picasso's blue period

Ashape is a three-dimensional form or a two-dimensional form?

Where is the photographer’s signature generally located? centered at the top of the photograph on the side of the photograph in the lower right hand side below the photograph photographs are never signed

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.”