Is the process of forming a pliable medium with hands or tools.
a.
modeling
b.
carving
c.
casting
d.
assemblage

Modeling is the process of forming a pliable medium with hands or tools. Correct A

The most common modeling materials, are clay and wax, while the main tools are the artist's hands.  The first modeling art pieces were prehistoric clay figurines from Egypt and the Middle East, which makes modeling an ancient technique.

a chromatic scale uses the twelve tones of the octave, while a regular scale only uses eight, or seven different notes (as the first note is played twice)