This int my OC but I did draw it and I did get permission to modify and use it if you want me to draw your OC, post it bellow and I’ll draw it for you.

answer; i believe the correct answer is (proximity);

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).