Which actor refused their oscar for best actor award in protest of negative portrayal of indians in hollywood movies and to show support for the protesters at wounded knee?

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).

i would say the answer is b. zigzag lines of the leaves. i believe this is the answer because zigzag lines go in different direction while the other options like: the vertical lines of the trees, the dotted lines on the road, and the curved lines of the park benches go in one direction.

a. symbolism

b. opinions

all of them

c. hidden messages

d. political statements