Answer:
<u>Using non-traditional techniques upon Photography</u>
Explanation:
The s-curve is an art concept originated from Ancient Greek and Roman sculptures where the figure's body and posture is depicted like a sinuous, or serpentine.
B. Historical musicologist
A and B are correct. Representational art relies on a real item from reality. As does abstract, but it is twisted somewhat. Non-representational isn't from an object - it's purely aesthetic, aka psychedelic shapes and patterns.