Most abstract sculptures
a) usually represent specific objects and events
b) make the density of sensa their primary subject matter

B

Explanation:

A sculpture is a representation of an object/subject. It sculpts the figure and makes the primary subject, the main focus.

True is the

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.