I recommend avoiding details and shading the piece until its fully sketched in
you can blend charcoal with a piece of tissue if you use your fingers it will leave prints
if you are in the process of shading place a piece of paper between your hand and the paper to avoid smuging
you can use a slice of bread to remove the graphite like a stretch eraser
D. Teresa Carreno
She was a renowned Venezuelan pianist, singer, conductor, and composer. She composed short piano pieces by the age of 6 and debuted by the age of 8.
An outline is being defined as a 2 dimensional shape which is the answer. The outline also known as the list being arrange to portray the hierarchical relationship and known as a tree structure. It is used in order to portray the main points or a topic in a subject.