answer the following question in 3 - 4 complete sentences. what is silverpoint and when was it first used…

answer the following question in 3 - 4 complete sentences. what is silverpoint and when was it first used? what are its advantages and disadvantages?
Answer
Brief Explanations:
Silverpoint is a drawing technique using a silver - tipped tool on specially prepared surfaces. It was first used in the Middle Ages. Its advantage is the fine, precise lines it can create. A disadvantage is that the lines can darken over time and are difficult to correct.
Answer:
Silverpoint is a drawing method with a silver - tipped implement on treated surfaces. It originated in the Middle Ages. Advantages include fine lines; disadvantages are line darkening and difficulty in correction.