Which characteristic describes gothic altarpieces like this one by duccioa. they portray a deep sense of spaceb. they contain gold leaf, a symbol of the patron's wealthc. they depict religious figures in earthly settingsd. figures in them have shading, which gives a sense of form

D, figures in them have shading, which gives a sense of form

Explanation:

I took the quiz and got this correct hope this helps

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.  

is it to late to answer?