is its internal support, often used to supply strength, or to provide weight reductions by providing volume and mass. Group of answer choices

Casting

Geometric sculptures

Armature

Organic sculptures

either geometric or organic sculptures

Explanation:

including the octave, the answer would 8 notes in a major scale with one note being played twice. ex) c major scale includes: c, d, e, f, g, a, b, c

notice that c is played twice

however, if you were to ask me how many different notes are in a major scale- the answer would be 7.