Apiece of music in the key of b flat major is based on the scale.

answer; thinker;

option c (nickel) is not found in earth's crust. the earth's crust basically contains eight (8) elements namely: oxygen, silicon, aluminum, iron, calcium, sodium, potassium and magnesium (listed in order of abundance).

answer: i need more information without multiple choice answers or a way of solving it then im stuck

explanation:

answercouplet;