Respuesta :

Answer: Frescoes aren't affected by moisture because the paint drys with the plaster on the wall, making the fresco apart of the wall.

Explanation:

They are affected by moisture - ones needs to keep them dry with


the humidity at an ideal constant level.

but for art history, they arent affected because the paint dries


with the plaster on the wall, effectively making the fresco part of

the wall