The pose, facial expression, and landscape background of leonardo da vinci's mona lisa communicate to the viewer a mood of

Which of the following is not included in a three movement classical composition?

The adoption of allowed classical music to have much more effective dynamic ranges.

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.”