What is the nickname for the interval A4 or d5?

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 (

Axel is thinking abou replacing the word astounded. which word would best to make the tone of the sentence more negative? a) surprised b) shocked c) astonished d) amazed

Artists best achieve contrast in a composition by: a. drawing with realism b. shading a drawing with dark and light values c. using drawing techniques like stippling and hatching d. focusing on line and shape in a drawing