Answer:
1. B.
2.C.
3.C.
4.C.
5.B.
Explanation:
A pentatonic scale is a musical scale with five notes per octave
C major is a major scale based on C, with the pitches C, D, E, F, G, A, and B. C major is one of the most common key signatures used in music. Its key signature has no flats and no sharps. Its relative minor is A minor and its parallel minor is C minor.
G major is a major scale based on G, with the pitches G, A, B, C, D, E, and F♯. Its key signature has one sharp, F♯. Its relative minor is E minor and its parallel minor is G minor.