I took these photos for art class, wanted to know if i should edit them a bit

To make an etching the artist first coats the entire printing plate with an acid-resistant substance called a made from beeswax, asphalt, and other material. the artist then draws on the coated plate with an etching needle exposing the metal. next the plate is dipped in the plate is removed, the waxy coating removed, and the plate is cleaned, inked and printed.

What is the most best and most complete definition for graphic design

Order these space notes in the bass clef from highest space to the lowest space