What is the purpose of the standard for judging art? To discourage artists from trying new things
To tell the difference between visual and performing arts
To make sure that all critics are looking at the same qualities
To require artists to follow the established rules for their type of art

lol, if i had a dollar a kid has ever said somethng like that i would deadss be rich

explanation:

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).