Answer: D, all of the above.
Explanation: In history, drawing was the only recognized form of art, based on definition, drawings even now help language barriers, and before photography and film, people drew many things, like maps and hieroglyphs.
Answer: The artist has mainly used a technique called <u>blocking in</u> This is where large areas of color are established at the beginning of a painting.
Explanation: There seem to be two other similar techniques being used together.
The other may be B<u>lending</u> where a lighter color of azure applied and slightly mixed with the blue. And <u>Ala Prima</u> where a new layer is applied before the previous layer has dries