Answer:
a. extemporaneous
Explanation:
Extemporaneous -
It refers to the method of speaking about a topic in a very fluent manner , without the help of any write up , is referred to as an extempore .
A person who is very good with the art of extempore , is referred to as an extemporaneous .
Hence , from the given scenario of the question ,
Joseph is described to as an extemporaneous person .
To make their art work look more realistic.
The Art of Painting, often referred to as The Allegory of Painting or Painter in His Studio, is an oil painting on canvas by Dutch artist Johannes Vermeer from the 17th century. It is on display in Vienna's Kunsthi storisches Museum and belongs to the Austrian Republic.
The alternate title of the picture reflects the belief of many art historians that it is an allegory of painting. It is the most intricate Vermeer piece ever created due to its composition and symbology. It is his largest piece of art after Christ in the House of Martha and Mary and The Procuress by Vermeer.
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This is one of the tips you may want to try (I hope this helps)
