Web 2.0 describes technology for the web that focuses on a. blogs b. social media sites c. wikis d. all of the above

you make more money, you can get a better job, you have a better education, you are wanted more by most employers.

you so ! < 3

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.