What would be the advantage of a pair of forged shears made with a high-quality metal? They would stay sharp longer.
They would last longer.
They would be expertly made.
all of the above

All of the above

Explanation:

Shears that are made of a good material will not dull as fast.

They will last longer because the material is more durable.

They are made of good metal, you can assume it is expertly made.

i believe it is a. a segment : )

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.