Answer:
B
Explanation:
A fungus and the breath and sweat of visitors created carbon dioxide and humidity which also damaged the paintings.
Answer:
an art movement is a tendency aur style in art followed by a group of artists during a specific time
Contour Lines.
A perceived line that marks the edge of a figure as it curves back into space. Contour lines are created by the edges of things. Contour lines are lines that surround and define the edges of a subject, giving it shape and volume