The Romans adopted the Greek's use of realistic features when making human art. Both Greek and Roman human art could be very unforgiving, meaning that every blemish on a human's face was included in a Roman sculpture or painting.
C is the answer to your question
There are 70, 100 and 200 one subject notebooks.
It provides light to a picture which reaches a sensor by shutter speed. Exposure brings out the light in pictures and is useful when you take a pic that is dark