Answer:
Not sure but it looks like there's a bunch of shading, and color-contrasting done in the artwork. There's some shadowing and details in the tree's leaves. Cool colors were used (from the color wheel) and the artist for sure used triangular tips for most edges.
Explanation:
It represents the power of the imagination to transform an everyday object into a symbolically charged container of social good.
Your answer to that question will be C. Etching.