Expressionist painters were trying to : A) convey the effect of light on color and vision
B) discover new ways to shatter static perspectives
C) capture human emotion on canvas
D) explore the irrationality of the unconscious mind

C) capture human emotion on canvas

Explanation: Expressionist artists sought to express emotional experience, rather than physical reality.

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).