Whats a color wheel and expain

What is forming a pliable medium, such as clay or paper mache’, into a sculpture?

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

3christians adapted the roman basilica and used it for public worship. where in their churches did they place the altar?