How many colors total are there in the color wheel (Primary, Secondary and Tertiary combined)

A .10
B .6
C .12

Natural minor half steps between scale degrees 3 and 4; 7 and 8 harmonic minor half steps between scale degrees 2 and 3; 5 and 6 ascending melodic minor half steps between scale degrees 2 and 3; 5 and 6; 7 and 8 major half steps between scale degrees 2 and 3; 7 and 8

How do these cultures use the element of shape in very similar ways

The paintings in the lascaux cave were discovered by who?