Why do we know so little about primitive tribes

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

Where is the famous mona lisa painting housed?

The earliest type of phonograph was recorded sound on a a. tape. b. metal cylinder. c. wax cylinder. d. vinyl disk.