basically free points but also what color or colors go good with pastel pink AND light blue? (already used white)

like a soft purple or yellow!!

Purple will look good with pastel pink and light blue.

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).