Answer:
Red
Red is the lowest energy visible light and violet is the highest. A solid object has color depending on the light it reflects. If it absorbs light in the red and yellow region of the spectrum, it will have a blue colour
I believe that the <span>pervasive theme in Northern Renaissance culture that is implicit in Albrecht Altdorfer's The Battle of Issus is humanist interest in ancient history and culture.
The painting depicts events of 333 BC battle between Alexander the Great and Darius III of Persia.
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I think the answer is a red color