Which colors or color schemes are predominant in this artwork? A. Analogous

B. Primary

C. Warm

D. Complementary

Diamond or a rectangle or a triangle

If your choices are: -cropping  -anti-aliasing-imperfection-contrastdownsampling is done to decrease the bit rate when transmitting over a limited bandwidth or to convert to a more limited audio format. this is the opposite of upsampling. so the answer is contrast.